When you look into an abyss, the abyss also looks into you.

Because we have for millenia made moral, aesthetic, religious demands on the world, looked upon it with blind desire, passion or fear, and abandoned ourselves to the bad habits of illogical thinking, this world has gradually become so marvelously variegated, frightful, meaningful, soulful, it has acquired color - but we have been the colorists: it is the human intellect that has made appearances appear and transported its erroneous basic conceptions into things.

Whoever despises himself nonetheless respects himself as one who despises.

Sleeping is no mean art: for its sake one must stay awake all day.

To the mean all becomes mean.

Supposing truth is a woman -- what then?

One's own self is well hidden from one's own self; of all mines of treasure, one's own is the last to be dug up.