A philosopher once said, 'It is necessary for the very existence of science that the same conditions always produce the same results.' Well, they don't!

The theoretical broadening which comes from having many humanities subjects on the campus is offset by the general dopiness of the people who study these things.

No problem is too small or too trivial if we can really do something about it.

There is no harm in doubt and skepticism, for it is through these that new discoveries are made.

The problem of creating something new, but which is consistent with everything which has been seen before, is one of extreme difficulty.

We are very lucky to be living in an age in which we are still making discoveries. It is like the discovery of America-you only discover it once. The age in which we live is the age in which we are discovering the fundamental laws of nature, and that day will never come again. It is very exciting, it is marvelous, but this excitement will have to go.

The Quantum Universe has a quotation from me in every chapter - but it's a damn good book anyway.