The magnitude of a progress is gauged by the greatness of the sacrifice that it requires.

For art to exist, for any sort of aesthetic activity to exist, a certain physiological precondition is indispensable: intoxication.

There are no moral phenomena at all, but only a moral interpretation of phenomena.

Love is a state in which a man sees things most decidedly as they are not.

Curiosity creeps into the houses of the unfortunate and the needy under the name of duty or of pity.

Man is something to be surpassed.

Chastity is a virtue with some, but with many it is almost a vice.