People are like bicycles. They can keep their balance only as long as they keep moving.

Is it not a terrible thing to be forced by society to do things which all of us as individuals regard as abominable crimes?

You never fail until you stop trying.

Be a loner. That gives you time to wonder, to search for the truth. Have holy curiosity. Make your life worth living.

The special theory of relativity owes its origins to Maxwell's equations of the electromagnetic field.

If I had an hour to solve a problem I'd spend 55 minutes thinking about the problem and 5 minutes thinking about solutions.

An expert is a person who has few new ideas; a beginner is a person with many.