If you thought that science was certain - well, that is just an error on your part.

If a guy tells me the probability of failure is 1 in 100,000, I know he's full of crap.

If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.

There is one simplification at least. Electrons behave ... in exactly the same way as photons; they are both screwy, but in exactly in the same way.

It doesn't seem to me that this fantastically marvelous universe, this tremendous range of time and space and different kinds of animals, and all the different planets, and all these atoms with all their motions, and so on, all this complicated thing can merely be a stage so that God can watch human beings struggle for good and evil - which is the view that religion has. The stage is too big for the drama.

Philosophy of science is about as useful to scientists as ornithology is to birds.

My rule is, when you are unhappy, think about it. But when you're happy, don't. Why spoil it? You're probably happy for some ridiculous reason and you'd just spoil it to know it.