Above all, there is no exception to this rule: that the idea of political superiority always resolves itself into the idea of psychological superiority.

The demand to be loved is the greatest of all arrogant presumptions.

God remains dead. And we have killed him. Yet his shadow still looms. How shall we comfort ourselves, the murderers of all murderers?

To forget one's purpose is the commonest form of stupidity.

He who has always spared himself much will in the end become sickly of so much consideration. Praised be what hardens!

Art is not merely an imitation of the reality of nature, but in truth a metaphysical supplement to the reality of nature, placed alongside thereof for its conquest.

I am not bigoted enough for a system-and not even for my system.