Twenty-five hundred years ago it might have been said that man understood himself as well as any other part of the world. Today he is the thing he understands least.

The evolution of cultures appears to follow the pattern of the evolution of species. The many different forms of culture which arise correspond to the "mutations" of genetic theory. Some forms prove to be effective under prevailing circumstances and others not, and the perpetuation of the culture is determined accordingly.

We are only just beginning to understand the power of love because we are just beginning to understand the weakness of force and aggression.

I did not direct my life. I didn't design it. I never made decisions. Things always came up and made them for me. That's what life is.

A disappointment is not generally an oversight. It might just be the best one can do the situation being what it is. The genuine error is to quit attempting.

Was putting a man on the moon actually easier than improving education in our public schools?

The severest trial of oppression is the constant outrage which one suffers at the thought of the oppressor. What Jesus discovered was how to avoid the inner devastations. His technique was to practice the opposite emotion... a man may not get his freedom or possessions back, but he's less miserable. It's a difficult lesson.