The spiritualization of sensuality is called love: it is a great triumph over Christianity.

Only as an aesthetic product can the world be justified to all eternity.

Speaking generally, punishment hardens and numbs, it produces concentration, it sharpens the consciousness of alienation, it strengthens the power of resistance.

A heart full of courage and cheerfulness needs a little danger from time to time, or the world gets unbearable.

My formula for happiness: a Yes, a No, a straight line, a goal.

Some people throw a bit of their personality after their bad arguments, as if that might straighten their paths and turn them into right and good arguments-just as a man in a bowling alley, after he has let go of the ball, still tries to direct it with gestures.

Ultimately one loves one's desires and not that which is desired.