Celibacy and suicide are a similar levels of understanding, suicide and a martyr's death not so by any means, perhaps marriage and a martyr's death.

If I shall exist eternally, how shall I exist tomorrow?

A stair not worn hollow by footsteps is, regarded from its own point of view, only a boring something made of wood.

From outside one will always triumphantly impress theories upon the world and then fall straight into the ditch one has dug, but only from inside will one keep oneself and the world quiet and true.

In man's struggle against the world, bet on the world.

Human judgment of human actions is true and void , that is to say, first true and then void.... The judgment of the word is true, the judgment in itself is void.... Only he who is a party can really judge, but as a party he cannot judge. Hence it follows that there is no possibility of judgment in the world, only a glimmer of it.

Start with what is right rather than what is acceptable.