"Racism, pollution and the rest of it are themselves very close to extinction."

"I am the only guinea pig I have."

"Nature is trying very hard to make us succeed, but nature does not depend on us. We are not the only experiment."

"When I'm working on a problem, I never think about beauty. I think only how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong."

"Humanity is acquiring all the right technology for all the wrong reasons."

"Now there is one outstandingly important fact regarding Spaceship Earth, and that is that no instruction book came with it."

"Alimony: the ransom the happy pay to the devil."

"The general will rules in society as the private will governs each separate individual."

"Our life is not so much threatened, As our perception."

"When I can't handle events, I let them handle themselves."

"A thorough knowledge of the Bible is worth more than a college education."

"No one has a finer command of language than the person who keeps his mouth shut."