Man is the cruelest animal. At tragedies, bullfights, and crucifixions he has so far felt best on earth; and when he invented hell for himself, behold, that was his very heaven.

Only individuals have a sense of responsibility.

Master-morality and Slave-morality.

I love the great despisers because they are the great adorers.

Woman was God's second mistake.

Only he who is man enough will release the woman in woman.

A book calls for pen, ink, and a writing desk; today the rule is that pen, ink, and a writing desk call for a book.