The only excuse for God is that he doesn't exist.

One should adpot only those situations in which one is in no need of sham virtues, but rather, like the tight-rope dancer on his tight rope, in which one must either fall or stand--or escape.

Today as always, men fall into two groups: slaves and free men. Whoever does not have two-thirds of his day for himself, is a slave, whatever he may be: a statesman, a businessman, an official, or a scholar.

Thus do I want man and woman to be: the one fit to wage war and the other fit to give birth, but both fit to dance with head and feet.

Since Copernicus, man seems to have got himself on an inclined plane-now he is slipping faster and faster away from the center into-what? into nothingness? into a 'penetrating sense of his nothingness?' ... all science, natural as well as unnatural-which is what I call the self-critique of knowledge-has at present the object of dissuading man from his former respect for himself, as if this had been but a piece of bizarre conceit.

Where do your greatest dangers lie?--In pity.

Life is that which must overcome itself again and again