"We should consider every day lost on which we have not danced at least once."

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

"I assess the power of a will by how much resistance, how much pain, how much torture it endures and knows how to transform to its advantage."

"Only those who are capable of solitude are capable of love."

"To live alone one must be a beast or a god, says Aristotle. There is yet a third case: one must be both — a philosopher."