The main trouble with despair is that it is self-fulfilling. People who fear the worst tend to invite it. Heads that are down can't scan the horizon for new openings. Bursts of energy do not spring from a spirit of defeat. Ultimately, helplessness leads to hopelessness.

It is no longer correct to regard higher education solely as a privilege. It is a basic right in today's world.

It is reasonable to expect the doctor to recognize that science may not have all the answers to problems of health and healing.

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.

Cynicism is intellectual treason.

People are never more insecure than when they become obsessed with their fears at the expense of their dreams.

What was most significant about the lunar voyage was not that men set foot on the moon but that they set eye on the earth.