History is a vast early warning system.

Hope is independent of the apparatus of logic.

Since the human body tends to move in the direction of its expectations- plus or minus-it is important to know that attitudes of confidence and determination are no less a part of the treatment program than medical science and technology.

A casual attitude toward human hurt and pain is the surest sign of educational failure.

If there is a conflict between the easy drift of prosperity and the ordeal of peace, the ordeal of peace comes first.

The message from the moon which we have flashed to the far corners of this planet is that no problem need any longer be considered insoluble.

You are younger today than you will ever be again. Make use of it for the sake of tomorrow.