In a very real sense, we are shipwrecked passengers on a doomed planet. Yet, even in a shipwreck, human decencies and human values do not necessarily vanish, and we must make the most of them. We shall go down, but let it be in a manner to which we may look forward as worthy of our dignity.

We have modified our environment so radically that we must now modify ourselves to exist in this new environment.

One of the chief duties of the mathematician in acting as an advisor ... is to discourage ... from expecting too much from mathematics.

Am I really a good mathematician?

What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.

Let us remember that the automatic machine is the precise economic equivalent of slave labor. Any labor which competes with slave labor must accept the economic consequences of slave labor.

To live effectively is to live with adequate information.