The whole of life is a journey toward youthful old age, toward self-contemplation, love, gaiety, and, in a fundamental sense, the most gratifying time of our lives. . . . "Old age" should be a harvest time when the riches of life are reaped and enjoyed, while it continues to be a special period for self-development and expansion.

For the person and for the species love is the form of behavior having the highest survival value.

No one should be required to see America for the first time.

The only measure of what you believe is what you do.

The idea is to die young as late as possible.

It's by what you do that you communicate to others that you are deeply involved in their well being.

The scientist believes in proof without certainty, the bigot in certainty without proof.