This is a time, when there seems to be a particular need for friends of wisdom and truth to join together.

Any brief military advantage the USA might gain with nuclear weapons would be offset by political and psychological losses and damage to American prestige. The United States might even touch off a worldwide armaments race.

Peace cannot be kept by force. It can only be achieved by understanding. You cannot subjugate a nation forcibly unless you wipe out every man, woman, and child. Unless you wish to use such drastic measures, you must find a way of settling your disputes without resort to arms.

To the Master's honor all must turn, each in its track, without a sound, forever tracing Newton's ground.

Out yonder there was this huge world...which stands before us like a great eternal riddle.

If I were to remain silent, I'd be guilty of complicity.

The release of atomic power has changed everything except our way of thinking ... the solution to this problem lies in the heart of mankind. If only I had known, I should have become a watchmaker. (1945)