I want to teach men the sense of their existence, which is the Superman, the lightning out of the dark cloud man.

Whoever despises himself still esteems the despiser within himself.

No honey is sweeter than that of knowledge.

No more fiction, for now we calculate; but that we may calculate, we had to make fiction first.

Whoever is related to me in the height of his aspirations will experience veritable ecstasies of learning; for I come from heights that no bird ever reached in its flight, I know abysses into which no foot ever strayed.

The essential thing ‘in heaven and earth’ is that there should be a long obedience in the same direction; there thereby results, and has always resulted in the long run, something which has made life worth living.

The higher man is distinguished from the lower by his fearlessness and his readiness to challenge misfortune.