“Dare to be naive.”

“I'm not trying to counsel any of you to do anything really special except dare to think. And to dare to go with the truth. And to dare to really love completely.”

“You never change things by fighting the existing reality.To change something, build a new model that makes the existing model obsolete.”

“I just invent. Then I wait until man comes around to needing what I've invented.”

“Geniuses are just people who had good mothers.”

“If humanity does not opt for integrity we are through completely. It is absolutely touch and go. Each one of us could make the difference.”

“The minute you choose to do what you really want to do,it's a different kind of life.”