Many other such substitutes for war will be discovered, but perhaps precisely thereby it will become more and more obvious that such a highly cultivated and therefore necessarily enfeebled humanity as that of modern Europe not only needs wars, but the greatest and most terrible wars, consequently occasional relapses into barbarism, lest, by the means of culture, it should lose its culture and its very existence.

Without the errors which lie in the assumption of morality, man would have remained an animal.

The most unendurable thing, to be sure, the really terrible thing, would be a life without habits, a life which continually required improvisation.

When horror is associated with what is harmful, evil results, when disgust does, badness.

One has renounced the great life when one renounces war.

When you gaze long into the Abyss of Sustainability, the Abyss of Sustainability also gazes into you.

I call Christianity the one great curse, the one great intrinsic depravity, and the one great instinct of revenge, for which no means are venomous enough, or secret, subterranean and small enough - I call it the one immortal blemish on the human race.