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The Cherem of 1656

The July 1656 excommunication of the twenty-three-year-old Baruch Spinoza from the Amsterdam Sephardic community — the most severe cherem in the community's records, and the formative event of modern philosophy's most radical monism.
On the twenty-seventh of July, 1656, the Portuguese-Jewish community of Amsterdam pronounced a cherem against Baruch de Espinoza. The language was singular even by the standards of an era accustomed to religious censure. The rabbis cursed him with the curses of Joshua against Jericho, with the curse of Elisha against the children, with all the curses written in the Book of the Law. They ordained that no person should communicate with him, neither in writing nor in speech, that no person should do him service, that no person should stay under the same roof with him, that no person should come within four cubits of his presence. Spinoza was twenty-three years old. The specific offenses were not recorded. What is known is that the community was itself a community of refugees — Sephardic Jews descended from families expelled from Spain and Portugal, who had built open Jewish practice in Amsterdam after generations of clandestine observance. What Spinoza proposed dissolved the boundaries on which their reconstituted community depended.
The Cherem of 1656
The Cherem of 1656

In The You On AI Field Guide

The community's fragility is essential to understanding the cherem's severity. The Amsterdam Sephardim had fled the Inquisition, maintaining their Judaism in secret through generations of persecution, then rebuilt open practice in Dutch tolerance. Their coherence depended on clear boundaries: inside and outside, faithful and heretical, sacred and profane. The community's leaders had every reason to be severe with internal threats to those boundaries.

Spinoza's specific heresies, as inferred from his later work, would have been multiple: the denial of immortality of the soul as traditionally understood, the rejection of revelation as a source of privileged knowledge, the identification of God with Nature that dissolved the creator-creation distinction, the denial of a chosen people in any metaphysically weighted sense. Any one would have been sufficient for censure. The combination, in a gifted twenty-three-year-old with evident influence on his peers, demanded the most severe response available.

One Substance
One Substance

The cherem was not lifted. Spinoza never rejoined the community. He adopted the Latin name Benedictus — the same meaning as Baruch, 'blessed' — and lived the rest of his life grinding lenses for optical instruments and composing the philosophy that would become, after his death, one of the most influential bodies of thought in Western intellectual history. The cherem's severity failed at its purpose: it produced, rather than silenced, the monist metaphysics that it was intended to suppress.

The pattern the cherem exemplifies — a community using its hard-won freedom to silence the member who thinks most honestly about what the community claims to value — has contemporary resonance. The technology industry, the scientific community, the academic institutions that pride themselves on openness and innovation each have their own cherems, issued in different registers, against the members who ask whether the assumptions underlying the enterprise might be worth examining. Spinoza's crime was not heresy. His crime was adequacy: he looked at the propositions his community held sacred and asked whether they were understood through their causes.

Origin

The cherem's text survives in the community's register and has been widely translated. The original is in Portuguese, the administrative language of the Amsterdam Sephardic community, and was pronounced from the tevah of the Talmud Torah synagogue. The document remains the single most severe cherem in the community's recorded history.

Scholarly reconstruction of the specific offenses has depended on inference from Spinoza's later work, from testimony of contemporaries, and from the records of the Spanish Inquisition, which had its own informants within the Amsterdam community. Steven Nadler's 1999 biography and Yirmiyahu Yovel's two-volume Spinoza and Other Heretics represent the most comprehensive modern treatments.

Key Ideas

Adequate Ideas
Adequate Ideas

Severity without precedent. The cherem's language exceeded any previous censure in the Amsterdam community's records, indicating the perceived magnitude of Spinoza's threat.

Community of refugees. The Amsterdam Sephardim had survived by maintaining boundaries under persecution; their sensitivity to internal boundary-threats was correspondingly acute.

Inferred offenses. The specific heresies were not recorded but can be reconstructed from Spinoza's later work: monism, naturalism, rejection of personal immortality, denial of revelation as privileged knowledge.

Failed silencing. The cherem did not prevent Spinoza's philosophy; it arguably accelerated its development by removing social pressures toward conformity.

Luddite Response
Luddite Response

Contemporary resonance. The pattern of communities using freedom to silence adequate thinking recurs; the technology industry has its own cherems, issued in different registers, against those who question foundational assumptions.

Further Reading

  1. Steven Nadler, Spinoza: A Life (Cambridge University Press, 1999).
  2. Yirmiyahu Yovel, Spinoza and Other Heretics, 2 vols. (Princeton, 1989).
  3. Rebecca Goldstein, Betraying Spinoza (Schocken, 2006).
  4. Text of the cherem: Amsterdam Sephardic Community Archives, July 27, 1656.
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