The music of Mozart is of such purity and beauty that one feels he merely found it - that it has always existed as part of the inner beauty of the universe waiting to be revealed.

Knowledge is realizing that the street is one way; wisdom is looking in both directions anyway.

It is the theory that decides what can be observed.

It is my belief that the problem of bringing peace to the world on a supranational basis will be solved only by employing Gandhi's method on a larger scale.

God does not care about our mathematical difficulties. He integrates empirically.

If my theory of relativity is proven successful, Germany will claim me as a German and France will declare me a citizen of the world. Should my theory prove untrue, France will say that I am a German, and Germany will declare that I am a Jew.

Most people see what is, and never see what can be.