Real humanity presents a mixture of all that is most sublime and beautiful with all that is vilest and most monstrous in the world.

A jealous lover of human liberty, deeming it the absolute condition of all that we admire and respect in humanity, I reverse the phrase of Voltaire, and say that, if God really existed, it would be necessary to abolish him.

Man is only truly free only among equally free men.

The organization of society is always and everywhere the unique cause of the crimes committed by individuals.

The urge for destruction is also a creative urge!

All religions are cruel, all founded on blood; for all rest principally on the idea of sacrifice - that is, on the perpetual immolation of humanity to the insatiable vengeance of divinity.

I am conscious of my inability to grasp, in all its details and positive developments, any very large portion of human knowledge.