Balance in large measure is knowing the things that can be changed, putting them in proper perspective, and recognizing the things that will not change."

We scientists, whose tragic destination has been to help in making the methods of annihilation more gruesome and more effective, must consider it our solemn and transcendent duty to do all in our power in preventing these weapons from being used for the brutal purpose for which they were invented.

Nothing truly valuable arises from ambition or from a mere sense of duty; it stems rather from love and devotion towards men and towards objective things.

Belief in an external world independent of the perceiving subject is the basis of all natural science.

Know where to find the information and how to use it - That's the secret of success.

Compound interest on debt was the banker's greatest invention, to capture, and enslave, a productive society.

The only sure way to avoid making mistakes is to have no new ideas.