Baruch Spinoza

Baruch (de) Spinoza (24 November 1632 – 21 February 1677), also recognized by his Latinized pen name Benedictus de Spinoza, was a philosopher of Portuguese-Jewish descent, born and residing in the Dutch Republic. As a precursor to the Age of Enlightenment, Spinoza profoundly influenced modern biblical criticism, 17th-century rationalism, and Dutch intellectual culture, thereby establishing himself as one of the most significant and radical philosophers of the early modern period. Drawing inspiration from Stoicism, Thomas Hobbes, René Descartes, Ibn Tufayl, and various heterodox Christian thinkers, Spinoza emerged as a preeminent philosopher during the Dutch Golden Age.

Baruch (de) Spinoza (24 November 1632 – 21 February 1677), also known under his Latinized pen name Benedictus de Spinoza, was a philosopher of Portuguese-Jewish origin, who was born and lived in the Dutch Republic. A forerunner of the Age of Enlightenment, Spinoza significantly influenced modern biblical criticism, 17th-century rationalism, and Dutch intellectual culture, establishing himself as one of the most important and radical philosophers of the early modern period. Influenced by Stoicism, Thomas Hobbes, René Descartes, Ibn Tufayl, and heterodox Christians, Spinoza was a leading philosopher of the Dutch Golden Age.

Born in Amsterdam, Spinoza belonged to a Marrano family that had sought refuge in the comparatively more tolerant Dutch Republic after fleeing Portugal. His upbringing included a traditional Jewish education, encompassing the study of Hebrew and sacred texts within the Portuguese Jewish community, where his father held a distinguished position as a merchant. In his youth, Spinoza openly challenged rabbinic authority and critically examined Jewish doctrines, which culminated in his permanent excommunication from the Jewish community in 1656. Subsequent to this expulsion, he disassociated himself from all religious affiliations, dedicating his life to philosophical investigation and the craft of lens grinding. Spinoza garnered a devoted following, who convened to deliberate on his works and participate in his intellectual quest for truth.

During his lifetime, Spinoza published infrequently to avoid persecution and the suppression of his philosophical writings. In his Tractatus Theologico-Politicus, which Steven Nadler characterized as "one of the most important books of Western thought," Spinoza challenged the divine provenance of the Hebrew Bible and the essence of God, simultaneously contending that ecclesiastical authority ought to hold no sway in a secular, democratic polity. His seminal work, Ethics, posits a pantheistic conception of God and investigates the position of human freedom within a cosmos unconstrained by theological, cosmological, or political dependencies. By disavowing messianism and the preoccupation with an afterlife, Spinoza underscored the importance of appreciating and valuing life for both oneself and others. Through his advocacy for individual liberty across its moral, psychological, and metaphysical facets, Spinoza contributed to the genesis of a political writing genre known as secular theology.

Spinoza's philosophical framework encompasses diverse domains of philosophical inquiry, such as metaphysics, epistemology, political philosophy, ethics, philosophy of mind, and philosophy of science. His writings were posthumously disseminated by his associates and exerted considerable influence on subsequent philosophers for two centuries. Spinoza is widely acclaimed as one of the seventeenth century's most original and impactful intellectual figures. Rebecca Goldstein characterized him as "the renegade Jew who gave us modernity."

Biographical Overview

Familial Origins

Spinoza's ancestors, who practiced Crypto-Judaism, experienced severe persecution during the Portuguese Inquisition, including torture and public degradation. In 1597, his paternal grandfather's family relocated from Vidigueira to Nantes, publicly identifying as New Christians, before eventually moving to Holland for reasons that remain unconfirmed. His maternal lineage stemmed from a prominent commercial family in Porto, and his maternal grandfather was a leading merchant who navigated between Jewish and Christian identities. Spinoza was primarily raised by his grandmother between the ages of six and nine, likely acquiring significant knowledge of his family's history from her.

Michael, Spinoza's father, was a distinguished and affluent merchant in Amsterdam, whose commercial enterprises extended across a broad geographical scope. In 1649, Michael was elected to an administrative position within the newly consolidated congregation, Talmud Torah. He subsequently married his cousin, Rachael d'Espinosa, the daughter of his uncle Abraham d'Espinosa, who was both a community leader and Michael's business associate. Such consanguineous marriages were customary within the Portuguese Jewish community at that time, thereby granting Michael access to his father-in-law's extensive commercial network and capital. Rachael's children tragically died in infancy, and she herself passed away in 1627.

Following Rachel's death, Michael married Hannah Deborah, with whom he had five children. Hannah Deborah's dowry was integrated into Michael's business capital rather than being reserved for her children, a circumstance that potentially fostered resentment between Spinoza and his father. The family resided on Vlooienburg, an artificial island situated on the south bank of the River Amstel, specifically in the fifth house along the Houtgracht canal. Although the Jewish quarter lacked formal divisions, the family's proximity to the Bet Ya'acov synagogue placed them near Christian residents, including the renowned artist Rembrandt. Their first child was Miriam, followed by Isaac, who was anticipated to inherit leadership of both the family and the commercial enterprise but passed away in 1649. The third child, Baruch Espinosa, was born on November 24, 1632, and traditionally named after his maternal grandfather.

Spinoza's younger brother, Gabriel, was born in 1634, followed by the birth of another sister, Rebecca. Miriam subsequently married Samuel de Caceres but died shortly after childbirth. In adherence to Jewish custom, Samuel was then obligated to marry his former sister-in-law, Rebecca. With the death of his brother Isaac, Spinoza assumed the role of family and business head, necessitating the deferment of his scholarly aspirations. Spinoza's mother, Hannah Deborah, passed away when he was six years old. From the age of nine, Spinoza was raised by Michael's third wife, Esther, whose upbringing as a New Christian meant she lacked formal Jewish knowledge and exclusively spoke Portuguese at home. This marriage produced no children. Eventually, Spinoza's sister Rebecca, brother Gabriel, and a nephew emigrated to Curaçao, with the remaining family members joining them subsequent to Spinoza's death.

The Early Influence of Uriel da Costa

Spinoza was maternally related to the philosopher Uriel da Costa, a figure who generated significant controversy within Amsterdam's Portuguese Jewish community. Da Costa challenged conventional Christian and Jewish doctrines, positing, for instance, that their foundational tenets stemmed from human constructs rather than divine revelation. His confrontations with the religious establishment resulted in two excommunications by rabbinic authorities, who subjected him to public humiliation and social ostracism. In 1639, as a condition for readmission, da Costa was compelled to prostrate himself for congregants to step over him. He died in 1640, with reports indicating suicide.

While Spinoza was likely unaware of his familial connection to Uriel da Costa during his childhood, he undoubtedly encountered discussions about him as a teenager. Steven Nadler posits that, despite da Costa's death when Spinoza was eight, his philosophical concepts significantly influenced Spinoza's intellectual trajectory. The Jewish communities of Amsterdam maintained a lasting memory and discourse regarding da Costa's skepticism toward organized religion, his rejection of the soul's immortality, and his assertion that Moses did not author the Torah, all of which contributed to Spinoza's intellectual evolution.

Educational Background and Family Enterprise

Spinoza attended the Talmud Torah school, located adjacent to the Bet Ya'acov synagogue and a short distance from his residence, under the leadership of Senior Rabbi Saul Levi Morteira. Instruction was conducted in Spanish, recognized as the language of scholarship and literature. Elementary students were taught to read the prayerbook and the Torah in Hebrew, translate the weekly portion into Spanish, and analyze Rashi's commentary. Spinoza's name is absent from the school registry subsequent to his fourteenth year, suggesting he likely did not pursue studies with prominent rabbis such as Manasseh ben Israel and Morteira. It is probable that Spinoza commenced employment around the age of fourteen, and his involvement in his father's business became almost certainly indispensable following his brother's death in 1649.

The First Anglo-Dutch War significantly impaired the financial stability of the Spinoza firm, as a substantial portion of its ships and cargo were seized by English forces. By the war's conclusion in 1654, the interception of its merchant voyages by the English had burdened the firm with considerable debt, precipitating its decline. Spinoza's father passed away in 1654, whereupon Spinoza assumed leadership of the family, becoming responsible for organizing and conducting Jewish mourning rituals, and entering a business partnership with his brother within their inherited enterprise. Given his father's declining health for several years prior to his death, Spinoza had been deeply involved in the business, necessitating the postponement of his intellectual pursuits. He continued to provide financial support to the synagogue and attend services in accordance with its conventions and practices until 1656. However, by 1655, the family's assets had been depleted, and the business effectively ceased operations.

In March 1656, Spinoza sought protection from municipal authorities regarding debts within the Portuguese Jewish community. To absolve himself of his father's financial liabilities, Spinoza petitioned the city to declare him an orphan. His argument was that, as a legal minor, his lack of comprehension regarding his father's indebtedness should nullify the obligation to repay these debts and allow him to retroactively disclaim his inheritance. Although he was legally exonerated from all debts, this action irrevocably harmed his commercial reputation and constituted a violation of synagogue regulations mandating internal arbitration for business disputes.

Expulsion from the Jewish Community

Amsterdam generally tolerated religious diversity, provided it was exercised with discretion. The Jewish community prioritized safeguarding its reputation and sought to avoid association with Spinoza, fearing that his contentious perspectives could provoke persecution or expulsion. Spinoza's overt defiance of Jewish authorities emerged following his father's death in 1654, a period marked by protracted and intense religious, financial, and legal conflicts concerning his business dealings and synagogue adherence. An instance of this defiance was his violation of synagogue regulations by appealing to municipal authorities instead of resolving his father's debt disputes internally within the community.

On July 27, 1656, the leaders of the Talmud Torah community, including Aboab de Fonseca, issued a writ of herem against the 23-year-old Spinoza. This censure represented the most severe ever declared within the community, imparting profound emotional and spiritual consequences. The precise grounds for Spinoza's expulsion remain unspecified, with the writ merely citing his "abominable heresies," "monstrous deeds," and the corroboration of witnesses "in the presence of the said Espinoza." Although Amsterdam's municipal authorities did not directly participate in Spinoza's censure, the town council explicitly directed the Portuguese-Jewish community to govern its conduct and ensure rigorous adherence to Jewish law. Further evidence suggests a preoccupation with avoiding offense to civil authorities, exemplified by synagogue prohibitions on public weddings, funeral processions, and discussions of religious topics with Christians, to prevent any actions that might "disturb the liberty we enjoy."

Prior to his expulsion, Spinoza had neither published any works nor authored a formal treatise. Steven Nadler posits that if Spinoza was articulating the critiques of Judaism that subsequently emerged in his philosophical writings, such as Part I of Ethics, his severe punishment would be entirely comprehensible. Distinct from most censures issued by the Amsterdam congregation, Spinoza's was never revoked, as it did not elicit repentance. Following the censure, Spinoza might have composed an Apologia in Spanish to defend his perspectives, though this document is now lost. His expulsion did not prompt Spinoza to convert to Christianity or affiliate with any confessional religion or sect. Between 1656 and 1661, Spinoza resided in various locations in Amsterdam and Leiden, sustaining himself through teaching while simultaneously acquiring skills in lens grinding and the construction of microscopes and telescopes. Spinoza did not retain a sense of Jewish identity; he contended that without adherence to Jewish law, the Jewish people lacked a fundamental source of distinctiveness and identity, thereby rendering the concept of a secular Jew illogical.

Education and Study Group

Between 1654 and 1657, Spinoza commenced Latin studies with Franciscus van den Enden, a political radical, former Jesuit, and atheist, who likely introduced Spinoza to scholastic and modern philosophy, including Descartes, whose ideas profoundly influenced Spinoza's own philosophical development. While boarding with Van den Enden, Spinoza attended his school, where he acquired knowledge in the arts and sciences and potentially instructed other students. Many of his associates were either secularized freethinkers or members of dissident Christian groups that rejected the authority of established churches and traditional dogmas. Spinoza was also acquainted with the Collegiants, a collective of disaffected Mennonites and other nonconformist Reformed sects that eschewed official theology; this association likely influenced Spinoza's evolving religious views and may have led him to Van den Enden. Jonathan Israel posits that another potentially influential figure was Jan Hendriksz Glazemaker, an atheist translator and collaborator of Spinoza's friend and publisher Rieuwertsz. Although Glazemaker could not have served as a mentor, his unique position enabled him to introduce Spinoza to Cartesian philosophy, mathematics, and the craft of lens grinding.

Following his Latin studies with Van den Enden, Spinoza attended Leiden University around 1658, auditing courses focused on Cartesian philosophy. From 1656 to 1661, Spinoza's primary intellectual collaborators, who constituted his inner circle and significantly influenced his development, included Van den Enden, Pieter Balling, Jarig Jelles, Lodewijk Meyer, Johannes Bouwmeester, and Adriaan Koerbagh. This philosophical group, or 'sect,' meticulously examined the propositions of the nascent Ethics and Spinoza's earlier work, the Short Treatise on God, Man, and His Well-Being. While some notable figures in Amsterdam engaged with the doctrines of this clandestine yet peripheral group, its primary function was to serve as a crucible for Spinoza's philosophy, enabling him to further challenge prevailing societal norms. Their public image in Amsterdam was unfavorable, as evidenced by Ole Borch's disparagement of them as "atheists." Consistently throughout his life, Spinoza adopted a strategy of avoiding intellectual conflicts, confrontations, and public disputes, considering such engagements to be unproductive expenditures of energy.

Philosophical Career

Rijnsburg

From 1660 to 1661, Spinoza relocated from Amsterdam to Rijnsburg, seeking a tranquil rural environment while maintaining proximity to the university city of Leiden, where numerous acquaintances resided. During this period, he authored his Short Treatise on God, Man, and His Well-Being, a work he deliberately withheld from publication during his lifetime, anticipating it would provoke outrage among theologians, synods, and municipal authorities. The Short Treatise, a text largely overlooked until its rediscovery, survived solely in a Dutch translation and was eventually published by Johannes van Vloten in 1862. While residing with Herman Homan in Rijnsburg, Spinoza sustained himself by manufacturing lenses and scientific instruments, a pursuit driven by both financial necessity and intellectual curiosity. He commenced work on his seminal Ethics and also completed Descartes' Principles of Philosophy within two weeks. This latter work served to articulate and interpret Descartes' arguments, simultaneously allowing Spinoza to gauge reactions to his own nascent metaphysical and ethical concepts. Spinoza's lucid exposition of the fundamental tenets of the Cartesian system facilitated its study for many interested individuals, thereby augmenting his philosophical standing. Published in 1663, this treatise was one of only two works released under his name during his lifetime. Spinoza maintained a modest and austere lifestyle, generating income through the meticulous polishing of lenses and the construction of telescopes and microscopes. Additionally, he depended on the benevolent financial support of his friends.

Voorburg

In 1663, Spinoza relocated to Voorburg; the reasons for this move remain unspecified. During this period, he continued his work on Ethics and maintained correspondence with numerous scientists and philosophers across Europe. By 1665, he commenced writing the Theological-Political Treatise, a work that explored theological and political themes, including scriptural interpretation, the genesis of the state, and the demarcation of political and religious authority, ultimately advocating for a secular, democratic governmental structure. Prior to the release of the Theological-Political Treatise, Spinoza's associate, Adriaan Koerbagh, published a volume that critiqued organized religion, refuted the divine origin of the Bible, and posited the impossibility of miracles—concepts that resonated with Spinoza's own philosophical views. Koerbagh's publication garnered official scrutiny, resulting in his incarceration and subsequent demise while imprisoned. Foreseeing potential repercussions for his ideas, Spinoza released his treatise in 1670 using a pseudonymous publisher and a fabricated publication location. However, the work's anonymity proved short-lived. Samuel Maresius launched personal attacks against Spinoza, whereas Thomas Hobbes and Johannes Bredenburg critiqued his theological concepts, deeming the book both perilous and subversive. Spinoza's treatise enjoyed a degree of protection compared to Koerbagh's, primarily because it was composed in Latin, a language not broadly accessible to the general populace, and Spinoza expressly prohibited its translation. Enforcement of the Reformed Church in Amsterdam's directive to prohibit the distribution of the allegedly blasphemous book varied among secular authorities.

The Hague

In 1670, Spinoza relocated to The Hague, seeking enhanced access to the city's intellectual milieu and proximity to his associates and adherents. With his increasing renown, Spinoza dedicated time to receiving visitors and engaging in correspondence. He revisited the manuscript of Ethics, restructuring its third part into parts Four and Five. Additionally, he compiled a Hebrew grammar intended to facilitate accurate scriptural interpretation and resolve ambiguities encountered during biblical study; its first part detailed etymology, the alphabet, and fundamental principles governing nouns, verbs, and other grammatical elements. The second part, which remained incomplete at the time of his death, was intended to delineate syntax rules. Another incomplete work from 1676 was the Tractatus Politicus, which explored optimal state functionality and aimed to demonstrate the superiority of democratic governance. Spinoza declined an offer to assume the chair of philosophy at the University of Heidelberg, potentially due to concerns that such a position might restrict his intellectual autonomy.

Correspondence

Only a limited number of Spinoza's letters have survived, with no known examples predating 1661. The extant correspondence is predominantly philosophical and technical, as the initial editors of Opera Posthuma—a posthumously published compilation of his writings—Lodewijk Meyer, Georg Hermann Schuller, and Johannes Bouwmeester, deliberately omitted personal communications and letters, citing the prevailing political and ecclesiastical persecution of that era. Spinoza maintained correspondence with Peter Serrarius, a radical Protestant and millenarian merchant who became his patron following Spinoza's expulsion from the Jewish community. Serrarius served as an intermediary for Spinoza's correspondence, facilitating the exchange of letters between the philosopher and various third parties. Their association persisted until Serrarius's death in 1669.

Spinoza's engagement in lens grinding, mathematics, optics, and philosophy facilitated his connections with notable individuals, such as the scientist Christiaan Huygens, the mathematician Johannes Hudde, and Henry Oldenburg, who served as Secretary of the British Royal Society. Huygens, among others, specifically commended the superior quality of Spinoza's lenses. Spinoza corresponded with Willem van Blijenbergh, an amateur Calvinist theologian, who inquired about Spinoza's perspectives on the essence of evil and sin. While Blijenbergh relied on scriptural authority in theological and philosophical matters, Spinoza advised him against exclusively seeking truth in scripture or anthropomorphizing the divine. Furthermore, Spinoza communicated that their respective viewpoints were fundamentally incommensurable. Gottfried Wilhelm Leibniz publicly criticized Spinoza's work; however, he privately corresponded with Spinoza and expressed a desire to review the manuscript of the Ethics. In 1676, Leibniz journeyed to The Hague to meet Spinoza, spending three days in discussion with him on contemporary events and philosophical concepts. Leibniz's philosophical contributions, particularly in his Monadology, exhibit notable similarities to certain aspects of Spinoza's thought. Leibniz expressed apprehension when his name was not redacted from a letter published in the Opera Posthuma. In 1675, Albert Burgh, a friend and potential former student of Spinoza, wrote to him to disavow his teachings and declare his conversion to Catholicism. Burgh assailed Spinoza's perspectives, as articulated in the Theological-Political Treatise, and attempted to convince Spinoza to adopt Catholicism. In reply, Spinoza, prompted by Burgh's family who sought to restore his rationality, composed an indignant letter deriding the Catholic Church and denouncing all forms of religious superstition.

During his lifetime, Spinoza published sparingly, and the majority of his formal works, written in Latin, reached a limited readership. With the exceptions of Descartes' Principles of Philosophy and the Theologico-Political Treatise, his other works were published posthumously. Due to the adverse reception of his anonymously published Theologico-Political Treatise, Spinoza instructed his supporters not to translate his writings and refrained from further publications. After his demise, his adherents posthumously published his works in both Latin and Dutch. His posthumous collection, Opera Posthuma, was secretly edited by his friends to safeguard the manuscripts from confiscation and destruction. Spinoza used a signet ring to seal his correspondence, which was engraved with the Latin word Caute, signifying "Caution," alongside the emblem of a thorny rose.

Demise and the Preservation of Unpublished Manuscripts

Spinoza's health deteriorated in 1676, culminating in his death in The Hague on February 21, 1677, at the age of 44, with his physician friend, Georg Herman Schuller, in attendance. Spinoza suffered from a pulmonary ailment, likely tuberculosis, potentially exacerbated by silicosis resulting from his glass lens grinding activities. Despite a period of declining health over several weeks, Spinoza's death was sudden, and he passed away intestate. Rumors circulated regarding his deathbed repentance of his philosophical positions, though these narratives dissipated by the 18th century. Johannes Colerus, a Lutheran preacher, authored the initial biography of Spinoza, primarily motivated by an interest in documenting his final days.

Spinoza was interred within the Nieuwe Kerk four days after his death, sharing a vault with six other individuals. Initially, no memorial plaque commemorated Spinoza. During the 18th century, the vault was emptied, and its contents dispersed throughout the churchyard. A memorial plaque now stands outside the church, indicating that some of his remains are integrated into the churchyard's soil. Spinoza's friends successfully retrieved his personal effects, documents, and unpublished manuscripts. His adherents secured these items to prevent their confiscation by individuals intent on suppressing his works; consequently, they were not listed in the inventory of his possessions upon his death. Within a year of his passing, his supporters translated his Latin manuscripts into Dutch and various other languages. Both secular authorities and, subsequently, the Roman Catholic Church prohibited his works.

Philosophical Contributions

Ethics

Spinoza regarded The Ethics as his primary philosophical endeavor and enduring legacy. This seminal work is frequently categorized alongside the contributions of Leibniz and René Descartes within the rationalist tradition, a school of thought positing that ideas precisely mirror reality, much like mathematics is presumed to accurately represent the world. Described as a "superbly cryptic masterwork," the Ethics presents numerous unresolved ambiguities and employs a rigorous mathematical framework, emulating Euclidean geometry. René Descartes's philosophical texts are often cited as foundational to Spinoza's own intellectual development. Spinoza's initial published work, from 1663, was a geometric exposition of proofs, applying Euclid's model to the definitions and axioms found in Descartes's Principles of Philosophy. Adopting Descartes's methodology, Spinoza sought to ascertain truth through logical deductions derived from 'clear and distinct ideas,' a process invariably commencing with the 'self-evident truths' of axioms. Nevertheless, his overarching philosophical objective extended beyond this; a consistent theme throughout his oeuvre, from his earliest to his final writings, involved "attending to the highest good" (which he equated with the highest truth) to attain a state of peace and harmony, whether metaphysically or politically. Consequently, the Principles of Philosophy can be interpreted as a "geometric method and philosophy exercise," establishing the groundwork for many concepts and conclusions that would subsequently characterize his unique philosophical system.

Metaphysics

Spinoza's metaphysical framework posits a singular substance and its various modifications, termed 'modes'. In the initial sections of The Ethics, Spinoza contends that only one substance possesses absolute infinitude, self-causation, and eternal existence. He designates this substance as "God" or "Nature," considering these terms synonymous, as evidenced by his Latin phrase "Deus sive Natura". Thus, within Spinoza's philosophy, the entirety of the natural universe comprises this single substance—God, or equivalently, Nature—and its inherent modifications.

The pervasive influence of the metaphysical foundations established in Part I of the Ethics on the entirety of Spinoza's subsequent philosophical system—including his philosophy of mind, epistemology, psychology, moral philosophy, political philosophy, and philosophy of religion—is a critical point that cannot be overstated.

Substance, Attributes, and Modes

Spinoza articulates a comprehensive vision of Being, profoundly informed by his conception of God. These concepts may initially appear unconventional. In response to the fundamental inquiry, "What constitutes existence?" he posits: "Substance, its attributes, and modes."

Adopting a framework akin to Maimonides, Spinoza defined substance as "that which is in itself and is conceived through itself," implying its comprehensibility without recourse to any external referent. This conceptual independence further signifies ontological independence, meaning it relies on nothing else for its existence and functions as its own 'cause' (causa sui). Conversely, a mode is an entity incapable of independent existence, instead requiring its being as a component of something else upon which it relies; this category encompasses properties (e.g., color), relations (e.g., size), and individual entities. Modes are further categorized into 'finite' and 'infinite' types, with infinite modes manifesting within every finite mode (exemplified by "motion" and "rest"). While the conventional philosophical understanding of an attribute bears resemblance to Spinoza's concept of modes, he employs the term 'attribute' distinctly. For Spinoza, an attribute is "that which the intellect perceives as constituting the essence of substance," and he posited the potential for an infinite number of such attributes. Ultimately, an attribute represents the fundamental nature "ascribed" to reality by intellectual apprehension.

Spinoza defined God as "a substance consisting of infinite attributes, each of which expresses eternal and infinite essence," asserting its necessary existence due to the absence of any impediment to such a being. This formulation constitutes a variant of the ontological argument for God's existence, yet Spinoza extended it to contend that only God truly exists. Consequently, he declared, "Whatever is, is in God, and nothing can exist or be conceived without God," thereby equating God with the universe. This concept was encapsulated in the phrase "Deus sive Natura" ('God or Nature'), which has been interpreted by some as either atheism or pantheism. Humans can apprehend God through the attributes of extension or thought, although numerous other attributes exist. Thought and extension provide comprehensive frameworks for understanding the world in either mental or physical terms. In this context, Spinoza stated that "the mind and the body are one and the same thing, which is conceived now under the attribute of thought, now under the attribute of extension."

Following his demonstration of God's existence, Spinoza proceeded to delineate the nature of "God." He posited that God represents "the sum of the natural and physical laws of the universe and certainly not an individual entity or creator." Spinoza endeavored to substantiate that God is solely the substance of the universe by first asserting that distinct substances do not share attributes or essences. He then demonstrated that God is a "substance" possessing an infinite number of attributes, thereby implying that the attributes inherent in any other substances must also be encompassed within God. Consequently, God is understood as the totality of all substances within the universe, constituting the sole substance, with everything being an integral part of God. Charles Hartshorne characterized this perspective as Classical Pantheism.

Spinoza contended that "things could not have been produced by God in any other way or in any other order than is the case," thereby diminishing the significance of concepts such as 'freedom' and 'chance'. This deterministic viewpoint is elucidated in Ethics: "the infant believes that it is by free will that it seeks the breast; the angry boy believes that by free will he wishes vengeance; the timid man thinks it is with free will he seeks flight; the drunkard believes that by a free command of his mind he speaks the things which when sober he wishes he had left unsaid. ... All believe that they speak by a free command of the mind, whilst, in truth, they have no power to restrain the impulse which they have to speak." In his correspondence with G. H. Schuller (Letter 58), he further elaborated: "men are conscious of their desire and unaware of the causes by which [their desires] are determined." He also maintained that an understanding of the true causes of passive emotions could transmute them into active emotions, a notion that anticipated a fundamental principle of Sigmund Freud's psychoanalysis.

According to Eric Schliesser, Spinoza expressed skepticism regarding the feasibility of acquiring knowledge about nature, a stance that placed him in opposition to scientists such as Galileo and Huygens.

Causality

Although the principle of sufficient reason is commonly attributed to Gottfried Leibniz, Spinoza employed it with greater systematicity. Within Spinoza's philosophical framework, inquiries into the existence of a particular phenomenon are invariably answerable, with these explanations provided in terms of the relevant cause. Spinoza's methodology involves initially presenting an account of a phenomenon, such as goodness or consciousness, to explain its nature, and subsequently elucidating the phenomenon by referencing its own intrinsic characteristics. For instance, he might propose that consciousness represents the degree of power inherent in a mental state.

Spinoza has also been characterized as an "Epicurean materialist," particularly in reference to his opposition to Cartesian mind-body dualism. This perspective was previously held by Epicureans, who posited that atoms, with their probabilistic trajectories, constituted the sole fundamental substance. However, Spinoza diverged significantly from Epicurean thought by adhering to a rigorous determinism, much like the Stoics before him, in contrast to the Epicurean belief in the probabilistic path of atoms, a concept more aligned with contemporary quantum mechanics.

The emotions

Spinoza's perspective on emotions appears to diverge from those of Descartes and Hume, primarily because he considers emotions to possess a significant cognitive dimension. Jonathan Bennett asserts that "Spinoza mainly saw emotions as caused by cognitions. [However] he did not say this clearly enough and sometimes lost sight of it entirely." Spinoza offers multiple demonstrations intended to elucidate the mechanisms of human emotions. Bennett characterizes this portrayal as "unflattering, coloured as it is by universal egoism."

Ethical Philosophy

Central to Spinoza's ethical philosophy is his concept of blessedness. Spinoza defines blessedness (also referred to as salvation or freedom) as "a constant and eternal love of God, or in God's love for men." Jonathan Bennett, a philosopher, interprets this to mean that Spinoza intended "'blessedness' to stand for the most elevated and desirable state one could possibly be in." Comprehending this "most elevated and desirable state" necessitates an understanding of Spinoza's concept of conatus (striving, devoid of teleological implications) and the recognition that "perfection" denotes completeness rather than moral value. Since individuals are conceptualized as mere modifications of the infinite Substance, it logically follows that no individual can achieve absolute completeness, perfection, or blessedness. In Spinoza's system, absolute perfection is exclusively attributed to Substance. However, modes can achieve a subordinate form of blessedness, characterized by a pure self-understanding as one truly is: a specific modification of Substance interconnected with all other entities in the universe. Spinoza's intent is evident in the concluding sections of the Ethics, specifically E5P24 and E5P25, where he executes two pivotal maneuvers, integrating the metaphysical, epistemological, and ethical propositions developed throughout the treatise. E5P24 establishes a link between the understanding of particular phenomena and the comprehension of God, or Substance; E5P25 connects the mind's conatus with the third form of knowledge, Intuition. This progression leads directly to the association of Blessedness with the amor dei intellectualis ("intellectual love of God").

Tractatus Theologico-Politicus

During the Second Anglo-Dutch War, as Spinoza neared the completion of his ethical system, his intellectual attention transitioned from composing the Ethics to addressing the pressing issues of society, religion, conflict, and governance. The Tractatus Theologico-Politicus (TTP, "Theologico-Political Treatise") elucidates insights from ancient Israelite history, the fundamental moral principles of Jesus's teachings, and the rationale behind divine commandments, all contextualized within contemporary Dutch politics. This work draws upon biblical commentary, hermeneutics, historical analysis, philology, philosophy, and legal scholarship to substantiate its arguments.

Published in 1670, the work provoked immediate controversy throughout Europe. Whereas the Ethics was intended for a specialized readership beyond general comprehension, the TTP targeted an audience comprising theologians, including university faculty and religious authorities.

Tractatus Politicus

The incomplete Latin treatise, Tractatus Politicus (TP, "Political Treatise"), articulates Spinoza's theories concerning governmental structures.

Spinoza adhered to prevailing societal norms concerning the role of women. In the concluding section of his Political Treatise, he succinctly posits that women are inherently subordinate to men. He ascribed this condition to intrinsic differences, rather than to social constructs, thereby rejecting institutional explanations for their subjugation. Biographer Jonathan I. Israel noted that these perspectives on women were commonplace during Spinoza's era.

Pantheism

Spinoza was often labeled an atheist due to his use of the term "God" (Deus) to denote a concept distinct from the traditional monotheistic understandings in Judaism and Christianity. Frank Tilly states that "Spinoza expressly denies personality and consciousness to God; he has neither intelligence, feeling, nor will; he does not act according to purpose, but everything follows necessarily from his nature, according to law." Consequently, Spinoza's impersonal and indifferent conception of God diverges significantly from the notion of an anthropomorphic, benevolent deity concerned with humanity.

In 1785, Friedrich Heinrich Jacobi publicly denounced Spinoza's pantheism. This condemnation followed the widespread belief that Gotthold Ephraim Lessing had, on his deathbed, admitted to being a "Spinozist," a term then synonymous with atheism. Jacobi asserted that Spinoza's philosophy constituted pure materialism, arguing that it reduced both Nature and God to mere extended substance. He further contended that this perspective was an inevitable outcome of Enlightenment rationalism, ultimately leading to absolute atheism. Moses Mendelssohn, however, challenged Jacobi's position, maintaining that no fundamental distinction existed between theism and pantheism. This debate subsequently emerged as a significant intellectual and theological preoccupation across European civilization.

Spinoza's philosophical framework garnered considerable appeal among late 18th-century Europeans, offering a distinct alternative to prevailing doctrines such as materialism, atheism, and deism. Three core tenets of his thought particularly resonated: the inherent unity of all existence, the consistent regularity of all phenomena, and the fundamental identity between spirit and nature. By 1879, while Spinoza's pantheism received widespread commendation, it was simultaneously regarded by some as both alarming and profoundly antagonistic.

Spinoza's concept of "God or Nature" (Deus sive Natura) presented a dynamic, immanent deity, contrasting sharply with Isaac Newton's argument for a first cause and the mechanistic worldview articulated in Julien Offray de La Mettrie's (1709–1751) treatise, Man a Machine (French: L'homme machine). Prominent figures like Coleridge and Shelley perceived in Spinoza's philosophy a religion of nature. Novalis famously characterized him as the "God-intoxicated man." Furthermore, Spinoza's ideas served as a significant impetus for the poet Shelley's essay, "The Necessity of Atheism."

A prevalent misconception posits that Spinoza equated God with the material universe, leading to his designation as a "prophet," "prince," and preeminent exponent of pantheism. However, Spinoza explicitly refuted this interpretation in a letter to Henry Oldenburg, stating, "As to the view of certain people that I identify God with Nature (taken as a kind of mass or corporeal matter), they are quite mistaken." Within Spinoza's philosophical system, the universe (or cosmos) is understood as a mode manifesting through the two attributes of Thought and Extension. Crucially, God possesses an infinite number of other attributes that do not manifest within the observable world.

German philosopher Karl Jaspers (1883–1969) posited that Spinoza's phrase Deus sive Natura ('God or Nature') referred to God as natura naturans (lit.'nature naturing'—i.e., nature in its active, creative capacity), rather than natura naturata (lit.'nature natured'—i.e., nature as an already created entity). Jaspers contended that Spinoza's philosophical framework did not equate God and Nature as interchangeable terms. Instead, God's transcendence was affirmed by an infinite number of attributes, while the two attributes accessible to human cognition—Thought and Extension—indicated God's immanence. Consequently, even God, when considered through the attributes of thought and extension, cannot be strictly identified with the material world. The material world is inherently "divisible" and composed of parts. However, Spinoza asserted, "No attribute of a substance can be truly conceived from which it follows that the substance can be divided," implying that an attribute cannot be conceptualized in a manner that permits the division of the substance itself. He further declared, "a substance which is absolutely infinite is indivisible" (Ethics, Part I, Propositions 12 and 13). Adhering to this reasoning, the material world should be understood as a mode existing under the attributes of thought and extension. Thus, Jaspers concluded that the pantheistic maxim "One and All" would only accurately describe Spinoza's philosophy if the "One" retained its transcendent quality and the "All" was not construed as the aggregate of finite entities.

Martial Guéroult (1891–1976) proposed the term "panentheism" as a more precise descriptor than "pantheism" for Spinoza's conception of the relationship between God and the world. According to this interpretation, the world is not identical to God but exists profoundly "within" God. Finite entities not only originate from God as their cause but are also inconceivable apart from God. Conversely, the American panentheist philosopher Charles Hartshorne (1897–2000) maintained that "Classical Pantheism" accurately characterized Spinoza's perspective.

According to the Stanford Encyclopedia of Philosophy, Spinoza conceptualizes God as an "infinite intellect" (Ethics 2p11c), possessing omniscience (2p3) and the capacity for self-love, as well as love for humanity, to the extent that humanity constitutes a component of divine perfection (5p35c). Spinoza posits that a personal entity is one towards which personal dispositions can be directed. In this context, Spinoza advocates for amor intellectualis dei (the intellectual love of God) as the ultimate human good (5p33). Nevertheless, this concept is intricate. Spinoza's God lacks free will (1p32c1) and is devoid of purposes or intentions (1 appendix); furthermore, Spinoza explicitly states that "neither intellect nor will pertain to the nature of God" (1p17s1). Moreover, while individuals may cultivate love for God, they must recognize that God is not an entity capable of reciprocating such affection. Spinoza asserts, "He who loves God cannot strive that God should love him in return" (5p19).

Steven Nadler proposes that resolving the classification of Spinoza as an atheist or a pantheist hinges on an examination of attitudes. If pantheism is intrinsically linked with religiosity, then Spinoza would not be considered a pantheist, given his conviction that the appropriate stance toward God involves objective inquiry and reason, rather than reverence or religious awe, as the latter approach risks susceptibility to error and superstition.

Other Philosophical Connections

Numerous scholars have explored parallels between Spinoza's philosophical system and various Eastern philosophical traditions. Decades following Spinoza's demise, Pierre Bayle, in his renowned Historical and Critical Dictionary (1697), identified a connection between Spinoza's purported atheism and "the theology of a Chinese sect," allegedly named "Foe Kiao," about which he had learned through Jesuit missionary accounts from Eastern Asia. A century later, Kant similarly drew a comparison between Spinoza's philosophy and the thought of Laozi, labeling both as pantheistic and describing Laozi's system as "monstrous," while criticizing what he perceived as their shared mystical inclinations.

In 1863, Elijah Benamozegh endeavored to demonstrate that Kabbalah constitutes the primary source of Spinoza's ontology, a claim that appears to be corroborated by recent scholarly investigations in the field.

Theodor Goldstücker, a 19th-century German Sanskritist, was among the initial scholars to observe the congruities between Spinoza's religious concepts and the Vedanta tradition of India. He remarked that Spinoza's thought was "... so exact a representation of the ideas of the Vedanta, that we might have suspected its founder to have borrowed the fundamental principles of his system from the Hindus, did his biography not satisfy us that he was wholly unacquainted with their doctrines ...". Max Müller also highlighted the striking resemblances between Vedanta and Spinoza's system, equating the Brahman in Vedanta with Spinoza's 'Substantia.'

Legacy and Influence

Spinoza's philosophical contributions have profoundly influenced intellectual discourse from the seventeenth century through the contemporary era. Perceptions of Spinoza have evolved from viewing him as an atheistic author whose treatises undermined Judaism and organized religion, to recognizing him as a cultural icon and the first secular Jew. One commentator suggests that Spinoza's enduring appeal to contemporary readers, making him "perhaps the most beloved philosopher since Socrates," stems from his unwavering equanimity. Far from being a despairing nihilist, Spinoza posited that "blessedness is nothing else but the contentment of spirit, which arises from the intuitive knowledge of God." Jonathan I. Israel, one of his biographers, argues that "No leading figure of the post-1750 later Enlightenment, for example, or the nineteenth century, was engaged with the philosophy of Descartes, Hobbes, Bayle, Locke, or Leibniz, to the degree leading figures such as Lessing, Goethe, Kant, Hegel, Fichte, Schelling, Heine, George Eliot, and Nietzsche, remained preoccupied throughout their creative lives with Spinoza." Hegel (1770–1831) famously asserted, "The fact is that Spinoza is made a testing-point in modern philosophy, so that it may really be said: You are either a Spinozist or not a philosopher at all."

The 1656 expulsion of Spinoza from the Portuguese synagogue has generated considerable scholarly debate regarding his potential designation as the "first modern Jew." Spinoza's work significantly shaped discourse surrounding the "Jewish question," particularly concerning the conceptualization of Judaism and the emergence of the modern, secular Jewish identity. Prominent figures such as Moses Mendelssohn, Lessing, Heine, and Kant, alongside later intellectuals including Marx, Nietzsche, and Freud, all drew influence from Spinoza's philosophy. Numerous authors have explicitly examined the evolving perception of Spinoza as "the First Modern Jew." In the 21st century, his expulsion has been re-evaluated by Jewish writers such as Berthold Auerbach; Salomon Rubin, who translated Spinoza's Ethics into Hebrew and characterized Spinoza as a contemporary Maimonides, authoring "a new guide to the perplexed"; Zionist Yosef Klausner; and fiction writer Isaac Bashevis Singer, all of whom contributed to shaping his public image.

In 1886, George Santayana, then a young scholar, published "The Ethical Doctrine of Spinoza" in The Harvard Monthly. Subsequently, he authored an introduction to Spinoza's Ethics and "De Intellectus Emendatione". In 1932, Santayana was invited to deliver an essay, later published as "Ultimate Religion," at a commemorative gathering in The Hague marking the tricentennial of Spinoza's birth. Within his autobiography, Santayana described Spinoza as his "master and model" for comprehending the naturalistic foundations of morality.

Philosopher Ludwig Wittgenstein referenced Spinoza through the title of the English translation of his seminal philosophical work, Tractatus Logico-Philosophicus, a designation suggested by G. E. Moore and alluding to Spinoza's Tractatus Theologico-Politicus. Furthermore, Wittgenstein intentionally adopted the phrase sub specie aeternitatis from Spinoza (Notebooks, 1914–16, p. 83). The structural framework of Wittgenstein's Tractatus Logico-Philosophicus exhibits certain resemblances to Spinoza's Ethics (though not to Spinoza's Tractatus), particularly in its method of constructing intricate philosophical arguments from fundamental logical propositions and principles. In propositions 6.4311 and 6.45, Wittgenstein alludes to a Spinozistic conception of eternity and an interpretation of the religious notion of eternal life, asserting: "If by eternity is understood not eternal temporal duration, but timelessness, then he lives eternally who lives in the present." (6.4311) and "The contemplation of the world sub specie aeterni is its contemplation as a limited whole." (6.45).

Spinoza's philosophy significantly influenced the trajectory of post-war French philosophical thought. Numerous French philosophers leveraged Spinoza's ideas to construct a defense against the perceived irrationalist currents within phenomenology, a movement then largely associated with the intellectual dominance of Hegel, Martin Heidegger, and Edmund Husserl in France. Louis Althusser and his associates, including Étienne Balibar, identified in Spinoza's philosophy a potential remedy for what they perceived as inherent deficiencies in Marxism's initial formulation, specifically its dependence on Hegel's dialectical concept and Spinoza's notion of immanent causality. Antonio Negri, who spent a considerable portion of this era in exile in France, also authored several works on Spinoza, most notably The Savage Anomaly (1981), which contributed to his reinterpretation of Italian Autonomia Operaia. Other prominent French Spinoza scholars of this period included Alexandre Matheron, Martial Gueroult, André Tosel, and Pierre Macherey, the latter of whom produced a widely acclaimed and influential five-volume commentary on Spinoza's Ethics, lauded as "a monument of Spinoza commentary." Spinoza's philosophical achievements and ethical integrity led Gilles Deleuze, in his 1968 doctoral thesis, to declare him "the prince of philosophers." Deleuze's interpretation of Spinoza's philosophy exerted significant influence among French philosophers, particularly in re-establishing the political aspects of Spinoza's thought as central. As a professor at the University of Paris VIII, Deleuze published two books and delivered numerous lectures dedicated to Spinoza. Deleuze's own philosophical contributions were profoundly shaped by Spinoza's ideas, especially the concepts of immanence and univocity. Marilena de Souza Chaui characterized Deleuze's Expressionism in Philosophy (1968) as a "revolutionary work for its discovery of expression as a central concept in Spinoza's philosophy."

Albert Einstein identified Spinoza as the philosopher who most significantly shaped his worldview (Weltanschauung). Spinoza's concept of God as infinite substance, synonymous with Nature, aligned with Einstein's conviction regarding an impersonal deity. In 1929, when Rabbi Herbert S. Goldstein inquired via telegram about his belief in God, Einstein replied, "I believe in Spinoza's God who reveals himself in the orderly harmony of what exists, not in a God who concerns himself with the fates and actions of human beings." Furthermore, Einstein authored the preface for a biography of Spinoza, published in 1946.

Leo Strauss devoted his inaugural publication, Spinoza's Critique of Religion, to an analysis of Spinoza's philosophical concepts. Strauss positioned Spinoza within the lineage of Enlightenment rationalism, which ultimately led to Modernity, and further recognized Spinoza and his contributions as foundational to Jewish Modernity. More recently, Jonathan Israel contended that, between 1650 and 1750, Spinoza represented "the chief challenger of the fundamentals of revealed religion, received ideas, tradition, morality, and what was everywhere regarded, in absolutist and non-absolutist states alike, as divinely constituted political authority."

Spinoza holds significant historical prominence in the Netherlands, evidenced by his portrait's prominent display on the Dutch 1000-guilder banknote, which remained legal tender until the euro's adoption in 2002. The nation's most esteemed scientific accolade is the Spinoza Prize (Spinozaprijs). Spinoza is also featured in a 50-theme canon designed to encapsulate Dutch history. In 2014, a copy of Spinoza's Tractatus Theologico-Politicus was formally presented to the Chair of the Dutch Parliament, where it is now shelved alongside the Bible and the Quran.

The Modern Era

Spinoza's Influence on Zionism

In the Tractatus, Spinoza made an incidental comment regarding the Jewish people, stating that "were it not that the fundamental principles of their religion discourage manliness, I would not hesitate to believe that they will one day, given the opportunity, [...] establish once more their independent state, and that God will again choose them." This remark, alongside Spinoza's broader emphasis on the political-national dimensions of Judaism, influenced some secular precursors of Zionism. Certain Zionist leaders even characterized Spinoza as the initial secular proto-Zionist. While some scholars, to varying degrees, endorse this characterization of Spinoza, others remain critical.

Reconsideration of Spinoza's Excommunication

Contemporary discourse has seen a renewed debate regarding Spinoza's excommunication among Israeli politicians, rabbis, and the Jewish press, with numerous calls for the reversal of the cherem. A conference titled "From Heretic to Hero: A Symposium on the Impact of Baruch Spinoza on the 350th Anniversary of His Excommunication, 1656–2006" was convened at the YIVO Institute for Jewish Research in New York. Presenters at this event included Steven Nadler, Jonathan I. Israel, Steven B. Smith, and Daniel B. Schwartz. Despite persistent appeals for Spinoza's cherem to be rescinded, such an action can only be undertaken by the issuing congregation. The chief rabbi of that community, Haham Pinchas Toledano, refused to reverse it, citing Spinoza's "preposterous ideas, where he was tearing apart the very fundamentals of our religion." In December 2015, the Amsterdam Jewish community organized a symposium to deliberate lifting the cherem, inviting international scholars to form an advisory committee. Nevertheless, the congregational rabbi ultimately ruled against rescinding the excommunication, asserting that he possessed no greater wisdom than his predecessors and that Spinoza's perspectives had not diminished in their problematic nature over time.

Commemoration and Memorials

• The Spinoza Lyceum, a high school situated in Amsterdam South, bears Spinoza's name. The school grounds also feature a three-meter-tall marble statue of Spinoza, sculpted by Hildo Krop.
• The Spinoza Havurah, a Humanistic Jewish community, was established in honor of Spinoza.
• The Spinoza Foundation Monument, featuring a statue of Spinoza, is situated in front of the Amsterdam City Hall at Zwanenburgwal. This monument was created by Dutch sculptor Nicolas Dings and was erected in 2008.

Literary Depictions and Influence

Spinoza's life and philosophical contributions have garnered significant attention from numerous authors. Notably, his influence emerged early in German literature, with Goethe offering a laudatory mention of the philosopher in his memoirs, emphasizing the profound impact of the Ethics on his personal development. Similarly, his compatriot, the poet Heine, extensively praised Spinoza in his 1834 work, On the History of Religion and Philosophy in Germany.

During the subsequent century, the Argentine author Jorge Luis Borges famously composed two sonnets dedicated to Spinoza ("Spinoza" in El otro, el mismo, 1964; and "Baruch Spinoza" in La moneda de hierro, 1976), and his writings contain multiple direct allusions to Spinoza's philosophy. Preceding Borges in Argentina, the Ukrainian-born Jewish intellectual Alberto Gerchunoff authored a novella in 1932, Los amores de Baruj [sic] Spinoza (literally, "The Loves of Baruch Spinoza"), which fictionalized the philosopher's early romantic life, depicting a presumed affair or romantic involvement with Clara Maria van den Enden, the daughter of his Latin instructor and philosophical mentor, Franciscus.

This is not the sole fictional work featuring Spinoza as the central character. In 1837, the German writer Berthold Auerbach dedicated the inaugural novel of his Jewish history series to Spinoza, which was subsequently translated into English in 1882 as Spinoza: a Novel. More recently, several other biographical novels have emerged, including The Spinoza Problem (2012), by psychiatrist Irvin D. Yalom, which presents a parallel narrative between the philosopher's formative period and the profound interest his work held for the Nazi leader Alfred Rosenberg. Another example is O Segredo de Espinosa (literally, "The Secret of Spinoza", 2023) by Portuguese journalist José Rodrigues dos Santos. Furthermore, Spinoza is featured in the debut novel by Argentine activist Andres Spokoiny, El impío (literally, "The Impious", 2021), which explores the life of the marrano physician and philosopher Juan de Prado, a significant figure in Spinoza's biographical context.

Spinoza's Ethics occupies a pivotal position in Isaac Bashevis Singer's short story, The Spinoza of Market Street. The protagonist, Dr. Nahum Fischelson, meticulously studies the text and regards Spinoza with profound reverence.

Works

Original Editions

• c. 1660. Korte Verhandeling van God, de mensch en deszelvs welstand (unpublished until the 19th century; A Short Treatise on God, Man and His Well-Being; translated by A. Wolf. London, Adam and Charles Black Eds., 1910).
• 1662. Tractatus de Intellectus Emendatione (On the Improvement of the Understanding) (unfinished).
• 1663. Principia philosophiae cartesianae (The Principles of Cartesian Philosophy, also containing Metaphysical Thoughts/Cogitata Metaphisica; translated by Samuel Shirley, with an Introduction and Notes by Steven Barbone and Lee Rice, Indianapolis, 1998).
• 1670. Tractatus Theologico-Politicus (A Theologico-Political Treatise), abbreviated as TTP, which was published anonymously during his lifetime with an intentionally misleading place of publication.
• 1675–76. Tractatus Politicus (Political Treatise), abbreviated as TP (incomplete at the time of his death), published posthumously.
• 1677. Ethica Ordine Geometrico Demonstrata (The Ethics, completed in 1674 but published posthumously, with its title also added posthumously).
• 1677. Compendium grammatices linguae hebraeae (Hebrew Grammar, unfinished; translated with an introduction by M. J. Bloom, London, 1963).
• 1677. Epistolae (The Letters, translated by Samuel Shirley, with an Introduction and Notes by S. Barbone, L. Rice, and J. Adler, Indianapolis, 1995).
• The final four works were initially compiled and published by Spinoza's associates shortly after his death, appearing in: B. d. S. Opera Posthuma, Quorum series post Praefationem exhibetur. (Amsterdam: Jan Rieuwertsz, 1677; both the publisher and publication location were deliberately undisclosed). Concurrently, Rieuwertsz also released a Dutch translation by Jan Hendriksz Glazemaker (who subsequently translated the TTP): De Nagelate Schriften van B. d. S., which notably excluded the Hebrew Grammar.

Contemporary Editions

• Shirley, Samuel (2002). Morgan, Michael L. (ed.). Spinoza Complete Works, with the Translations by Samuel Shirley. Indianapolis: Hackett Publishing Company. ISBN 978-0-87220-620-5. OCLC 49775415.
• Curley, Edwin (ed.). 1985, 2016. The Collected Works of Spinoza, a two-volume publication from Princeton University Press, Princeton. This collection notably omits the Compendium grammatices linguae hebraeae.
• Spruit, Leen, and Pina Totaro. 2011. The Vatican Manuscript of Spinoza's Ethica. Leiden: Brill. This publication presents the sole extant manuscript of Spinoza's Ethics, which was located in the Vatican archive and subsequently issued in a bilingual Latin-English format.

The historical context of Jewish communities in the Netherlands.

• History of the Jews in the Netherlands
• A comprehensive enumeration of Spinoza's Epistolae, or letters.

Notes

Sources

• A collection of works authored by Benedictus de Spinoza.
• Audio recordings of Baruch Spinoza's public domain works .
• A compendium of Baruch Spinoza's writings.
• An English translation of Spinoza's Theologico-Political Treatise.
• The Latin text of Ethica Ordine Geometrico Demonstrata et in quinque partes distincta, in quibus agetur.
• A complete photographic reproduction of Spinoza's Opera posthuma, originally published in Amsterdam in 1677, edited by F. Mignini.
• The translation of Benedict de Spinoza's Ethics by George Eliot, transcribed by Thomas Deegan.
• A project titled "Mapping Spinoza's Ethics," which provides visual representations illustrating the interconnections among propositions within the Ethics.
• The Spinoza Archive, housed within the digital collections of the Younes and Soraya Nazarian Library at the University of Haifa.
• An artwork titled "Leprozengracht with a view on the houses at Houtgracht" by Reinier Nooms, created between 1657 and 1662.
• Macherey, Pierre. "Préface à L'Anomalie sauvage de Negri." Published in Multitudes. Archived from the original on 11 June 2011.Source: TORIma Academy Archive