To live alone one must be an animal or a God - says Aristotle. There is yet a third case: one must be both - a philosopher. Twilight of the Idols

Our species is the only creative species, and it has only one creative instrument, the individual mind and spirit of a man. Nothing was ever created by two men. There are no good collaborations, whether in art, in music, in poetry, in mathematics, in philosophy. Once the miracle of creation has taken place, the group can build and extend it, but the group never invents anything. The preciousness lies in the lonely mind of a man. East Of Eden

The meaning of my life is to help others find meaning in theirs. Man's Search For Meaning

"I did that," says my memory. "I could not have done that," says my pride, and remains inexorable. Eventually the memory yields. Beyond Good and Evil