Mathematics is only the art of saying the same thing in different words.

Man needs, for his happiness, not only the enjoyment of this or that, but hope and enterprise and change.

European travellers find the Japanese a smiling race.

Vanity is a motive of immense potency.

What the world needs is not dogma but an attitude of scientific inquiry combined with a belief that the torture of millions is not desirable, whether inflicted by Stalin or by a Deity imagined in the likeness of the believer

Order, unity, and continuity are human inventions, just as truly as catalogues and encyclopedias.

One is often told that it is a very wrong thing to attack religion, because religion makes men virtuous. So I am told; I have not noticed it.