I had therefore to remove knowledge, in order to make room for belief.

So act that your principle of action might safely be made a law for the whole world.

Always recognize that human individuals are ends, and do not use them as means to your end.

Seek not the favor of the multitude; it is seldom got by honest and lawful means. But seek the testimony of few; and number not voices, but weigh them.

By a lie, a man... annihilates his dignity as a man.