To the extent math refers to reality, we are not certain; to the extent we are certain, math does not refer to reality.

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

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.

Before God we are equally wise and equally foolish.

May the dreams of your past be the reality of your future