I was not content to believe in a personal devil and serve him, in the ordinary sense of the word. I wanted to get hold of him personally and become his chief of staff.

The sin which is unpardonable is knowingly and wilfully to reject truth, to fear knowledge lest that knowledge pander not to thy prejudices.

This Universe is a wild revel of atoms, men, and stars, each one a Soul of Light and Mirth, horsed on Eternity.

It is necessary that we stop, once for all, this ignorant meddling with other people's business. Each individual must be left free to follow his own path.

The pious pretense that evil does not exist only makes it vague, enormous and menacing.

Ordinary morality is only for ordinary people.

People think that talking is a sign of thinking. It isn't, for the most part' on the contrary, it's a mechanical dodge of the body to relieve oneself of the strain of thinking, just as exercising the muscles helps the body to become temporarily unconscious of its weight, its pain, its weariness, and the foreknowledge of its doom.