How many people are trapped in their everyday habits: part numb, part frightened, part indifferent? To have a better life we must keep choosing how we are living.

I have no extraordinary ability. I'm simply an inquisitive individual.

The formulation of the problem is often more essential than its solution, which may be merely a matter of mathematical or experimental skill.

I came- though the child of entirely irreligious (Jewish) parents - to a deep religiousness, which, however, reached an abrupt end at the age of twelve.

I believe in standardizing automobiles, not human beings.

We will never be able to solve the problems of tomorrow with the thinking of today

You can't solve problems with the same thinking that caused them.