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Michel Delon's biography reveals Diderot's passionate philosophy

publication · 2026-04-24

Michel Delon's essay "Diderot : l'énergie de la nature" (Albin Michel) explores the 18th-century philosopher's radical defense of passion as the driving force of life. Drawing on police reports from 1749 that described Diderot as "extremely dangerous," Delon traces how the author of the Encyclopédie challenged the "religion of pain" and advocated for the body and sensuality. The book highlights Diderot's clandestine relationship with Sophie Volland, his concept of a "law of affinity" that promises eternal union beyond death, and his critique of religious censorship that stifled art. Delon's biography situates Diderot's thought within his tumultuous political and personal context, emphasizing his enduring relevance.

Key facts

  • Michel Delon published 'Diderot : l'énergie de la nature' with Albin Michel
  • Police reports from 1749 described Diderot as 'extremely dangerous'
  • Diderot was imprisoned at Vincennes for his writings
  • His 1746 'Pensées philosophiques' was condemned to be burned by the Paris Parliament
  • Diderot argued that passions are the source of all great actions and art
  • He maintained a secret relationship with Sophie Volland starting in 1755
  • In a 1759 letter to Sophie, Diderot imagined a 'law of affinity' uniting their molecules after death
  • Delon's essay critiques the 'religion of pain' and religious censorship of art

Entities

Artists

  • Denis Diderot
  • Sophie Volland
  • Michel Delon

Institutions

  • Albin Michel
  • Paris Parliament

Locations

  • Vincennes
  • Paris

Sources