Physics is the belief that a simple and consistent description of nature is possible.

When it comes to atoms, language can be used only as in poetry. The poet, too, is not nearly so concerned with describing facts as with creating images and establishing mental connections.

Anyone not shocked by quantum mechanics has not yet understood it.

There are some things so serious you have to laugh at them.

We are all agreed that your theory is crazy. The question which divides us is whether it is crazy enough to have a chance of being correct. My own feeling is that it is not crazy enough.

A deep truth is a truth so deep that not only is it true but it's exact opposite is also true.

How wonderful that we have met with a paradox. Now we have some hope of making progress.