Disability can be no handicap.

I have sold more books on physics than Madonna has on sex.

There is a very real danger that we will kill everything on this planet now that we have the technological power to do so.

If what we regard as real depends on our theory, how can we make reality the basis of our philosophy? But we cannot distinguish what is real about the universe without a theory. It makes no sense to ask if it corresponds to reality, because we do not know what reality is independent of a theory.

No one can resist the idea of a crippled genius.

Success is a relative term. It brings so many relatives.

Exploration by real people inspires us.