Ignorance and greed are part of the evolutionary process, which is just to say that mistakes are part of learning. There is nothing bad about behaviors or perceptions that do not work; they simply have to be given up and replaced by behaviors or perceptions that do work.

By the time you are 88 years old, you "have consumed 300 tons of food, air and water."

When I am working on a problem, I never think about beauty but when I have finished, if the solution is not beautiful, I know it is wrong.

There is room enough indoors in New York City for the whole 1963 world's population to enter, with room enough inside for all hands to dance the twist in average nightclub proximity.

We are powerfully imprisoned in these Dark Ages simply by the terms in which we have been conditioned to think.

I have to say, I think that we are in some kind of final examination as to whether human beings now, with this capability to acquire information and to communicate, whether we're really qualified to take on the responsibility we're designed to be entrusted with. And this is not a matter of an examination of the types of governments, nothing to do with politics, nothing to do with economic systems. It has to do with the individual. Does the individual have the courage to really go along with the truth?

I have great hope for tomorrow. My hope lies in three things-truth, youth, and love.