The will to truth is merely the longing for a stable world.

Was mich nicht zugrunde richtet, macht mich starker.

Every god-man created his own god: and there is no worse enmity on earth than that between gods.

There are two different types of people in the world, those who want to know, and those who want to believe.

Madness is the result not of uncertainty but certainty.

There are instances when we are like horses, we psychologists, and grow restless: we see our own shadow wavering up and down before us. A psychologist must look away from himself in order to see anything at all.

The most unequivocal sign of contempt for man is to regard everybody merely as a means to one's own ends, or of no account whatever.