"The surest sign of the estrangement of the opinions of two persons is when they both say something ironical to each other and neither of them feels the irony."

"Pity is the practice of nihilism."

"Christianity gave Eros poison to drink; he did not die of it, certainly, but degenerated into vice."

"Thou goest to women? Do not forget thy whip!"

"What is good? All that heightens the feeling of power, the will to power, power itself in man. What is bad? All that proceeds from weakness. What is happiness? The feeling that power increases — that …"