Buy straw hats in the wintertime. Summer will surely come.

You can't repeal human nature by an Act of Congress.

If the history of the past fifty years teaches us anything, it is that peace does not follow disarmament - disarmament follows peace.

During my eighty-seven years I have witnessed a whole succession of technological revolutions. But none of them has done away with the need for character in the individual or the ability to think.

I am interested in physical medicine because my father was. I am interested in medical research because I believe in it. I am interested in arthritis because I have it.

Millions saw the apple fall but Newton was the one who asked why.

Science has taught us how to put the atom to work. But to make it work for good instead of for evil lies in the domain dealing with the principles of human dignity. We are now facing a problem more of ethics than of physics.