Good tests kill flawed theories; we remain alive to guess again.

Why do I think that we, the intellectuals, are able to help? Simply because we, the intellectuals, have done the most terrible harm for thousands of years. Mas…

To be ignorant of the past is to remain a child.

There are uncertain truths - even true statements that we may take to be false - but there are no uncertain certainties. Since we can never know anything for s…

The story of a theory's failure often strikes readers as sad and unsatisfying. Since science thrives on self-correction, we who practice this most challenging …

There is nothing more practical than a good theory.

Physics has entered a remarkable era. Ideas that were once the realm of science fiction are now entering our theoretical - and maybe even experimental - grasp.…