A theory can be proved by experiment; but no path leads from experiment to the birth of a theory.

A theory can be proved by experiment; but no path leads from experiment to the birth of a theory.

No amount of experimentation can ever prove me right; a single experiment can prove me wrong.

The truth of a theory is in your mind, not in your eyes.

A theory is something nobody believes, except the person who made it. An experiment is something everybody believes, except the person who made it.

Since the mathematicians have invaded the theory of relativity, I do not understand it myself anymore.