"Once man loses his faculty of indifference he becomes a potential murderer; once he transforms his idea into a god the consequences are incalculable. We kill only in the name of a god or of his counterfeits: the excesses provoked by the goddess Reason, by the concept of nation, class, or race are akin to those of the Inquisition or of the Reformation."

“Fortunate those who, born before science, were privileged to die of their first disease!”

“Losing love is so rich a philosophical ordeal that it makes a hairdresser into a rival of Socrates.”

“Freedom can be manifested only in the void of beliefs, in the absence of axioms, and only where the laws have no more authority than a hypothesis.”

“Only the idiot is equipped to breathe.”

“The fact that life has no meaning is a reason to live — moreover, the only one.”

“The more one is obsessed with God, the less one is innocent. Nobody bothered about him in paradise. The fall brought about this divine torture. It's not possible to be conscious of divinity without guilt. Thus God is rarely to be found in an innocent soul.”