The scientist is not responsible for the laws of nature. It is his job to find out how these laws operate. It is the scientist's job to find the ways in which these laws can serve the human will. However, it is not the scientist's job to determine whether a hydrogen bomb should be constructed, whether it should be used, or how it should be used. This responsibility rests with the American people and with their chosen representatives.

Two paradoxes are better than one they may even suggest a solution.

If anyone wants a hole in the ground, nuclear explosives can make big holes

I am guilty of the great crime of optimism.

Science attempts to find logic and simplicity in nature. Mathematics attempts to establish order and simplicity in human thought.

Physics is, hopefully, simple. Physicists are not.

There is a time for scientists and movie stars and those who have flown the atlantic to restrain their opinions lest they be taken more seriously than they should be.