If we couldn't laugh at ourselves, that would be the end of everything.

Of course I don't believe in it [pointing to horseshoe on his office wall]. But I understand that it brings you luck whether you believe in it or not.

In the great drama of existence we are audience and actors at the same time.

Nothing exists until it is measured.

There are two sorts of truth: trivialities, where opposites are clearly absurd, and profound truths, recognised by the fact that the opposite is also a profound truth

A physicist is just an atom's way of looking at itself.

Einstein, stop telling God what to do!