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

"I think I am a verb."

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

"God is a verb."

"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."

"Freedom is a possession of inestimable value."

"Only a fool walks backwards into the future."

"Enzymes are things invented by biologists that explain things which otherwise require harder thinking."

"No man will make a great leader who wants to do it all himself, or to get all the credit for doing it."

"Language is the picture and counterpart of thought."

"The Past is to be respected and acknoledged, but not to be worshiped. It is our future in which we will find our greatness."