All the Freudian system is impregnated with the prejudice which it makes it its mission to fight -- the prejudice that everything sexual is vile.

Modern war appears as a struggle led by all the State apparatuses and their general staffs against all men old enough to bear arms.

Nothing can have as its destination anything other than its origin. The contrary idea, the idea of progress, is poison.

Art is the symbol of the two noblest human efforts: to construct and to refrain from destruction.

Imaginary evil is romantic and varied; real evil is gloomy, monotonous, barren, boring. Imaginary good is boring; real good is always new, marvelous, intoxicating.

To want friendship is a great fault. Friendship ought to be a gratuitous joy, like the joys afforded by art or life.

The most important part of teaching is to teach what it is to know.