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

"I think I am 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."

"Either war is obsolete or men are."

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

"Dare to be naive."

"Never leave that till tomorrow which you can do today."

"He who lives without folly is not so wise as he imagines."

"Nothing you can't spell will ever work."

"He who receives a benefit should never forget it; he who bestow should never remember it."

"Receiving a million dollars tax free will make you feel better than being flat broke and having a stomach ache."

"Man can now fly in the air like a bird, swim under the ocean like a fish, he can burrow into the ground like a mole. Now if only he could walk the earth like a man, this would be paradise."