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

“Dare to be naïve.”

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

“There is nothing in a caterpillar that tells you it's going to be a butterfly.”

“I live on Earth at present, and I don’t know what I am. I know that I am not a category. I am not a thing — a noun. I seem to be a verb, an evolutionary process – an integral function of the universe.”

“Humans beings always do the most intelligent thing…after they’ve tried every stupid alternative and none of them have worked”

“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.”

“Everyone is born a genius, but the process of living de-geniuses them.”

“If you want to teach people a new way of thinking, don't bother trying to teach them. Instead, give them a tool, the use of which will lead to new ways of thinking.”