Perhaps I know best why it is man alone who laughs; he alone suffers so deeply that he had to invent laughter.

Verily, a polluted stream is man. One must actually be a sea to take in a polluted stream without becoming impure. Behold, I teach you the superman: he is the this sea, in him can your great contempt go under.

Your highest thought, however, ye shall have it commanded unto you by me - and it is this: man is something that is to be surpassed.

Morality is the best of all devices for leading mankind by the nose.

The believer in magic and miracles reflects on how to impose a law on nature--: and, in brief, the religious cult is the outcome of this reflection.

Illusions are certainly expensive amusements; but the destruction of illusions is still more expensive, if looked upon as an amusement, as it undoubtedly is by some people.

There is an old illusion. It is called good and evil.