The only use for an atomic bomb is to keep somebody else from using one. It can give us no protection - only the doubtful satisfaction of retaliation...

A scientist should be the happiest of men.

I think I know what is bothering the students. I think that what we are up against is a generation that is by no means sure that it has a future.

The only use for an atomic bomb is to keep somebody else from using one. It can give us no protection - only the doubtful satisfaction of retaliation...

Every creature alive on the earth today represents an unbroken line of life that stretches back to the first primitive organism to appear on this planet; and that is about three billion years.

We are the products of editing, rather than of authorship.

Since we have had a history, men have pursued an ideal of immortality.