Do what is right, though the world may perish.

For peace to reign on Earth, humans must evolve into new beings who have learned to see the whole first.

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

The yellow Indians do have a meagre talent. The Negroes are far below them, and at the lowest point are a part of the American people.

Thinking in pictures precedes thinking in words.

Physicians think they do a lot for a patient when they give his disease a name.

Man must be disciplined, for he is by nature raw and wild.