Whoever despises himself still esteems the despiser within himself.

All good things were formerly bad things; every original sin has turned into an original virtue.

Today I love myself as I love my god: who could charge me with a sin today? I know only sins against my god; but who knows my god?

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

Time, space, and causality are only metaphors of knowledge, with which we explain things to ourselves.

And those who were seen dancing were thought to be insane by those who could not hear the music.

We have no organ at all for knowledge, for truth: we know (or believe or imagine) precisely as much as may be useful in the interest of the human herd, the species: and even what is here called usefulness is in the end only a belief, something imagined and perhaps precisely that most fatal piece of stupidity by which we shall one day perish.