It's because somebody knows something about it that we can't talk about physics. It's the things that nobody knows anything about we can discuss.

If you think you understand quantum mechanics, you don't understand quantum mechanics.

Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.

It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong.

If you can't explain something to a first year student, then you haven't really understood .

God was invented to explain mystery. God is always invented to explain those things that you do not understand.

Nature uses only the longest threads to weave her patterns, so that each small piece of her fabric reveals the organization of the entire tapestry.

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.

Religion is a culture of faith; science is a culture of doubt.

The only way to deep happiness is to do something you love to the best of your ability

Einstein was a giant. His head was in the clouds, but his feet were on the ground. But those of us who are not that tall have to choose!

Cuz how do you know yer alive if you don't hurt?

Men are men they needs must err.

I've always told my children that life is like a layer cake. You get to put one layer on top of the other, and whether you frost it or not is up to you.

I am not an angel," I asserted; "and I will not be one till I die: I will be myself.

Life isn't about a hand-out. That's not what the NFL is about and that won't get you in the NFL or take care of you once you're out of the NFL. You have to work.

It was really hard to find people to come over and play guitar and sing and write songs together. So that turned me into a songwriter that way, just so I could be able to play with other people.

Our spirituality lies in wholeness.

Since the civil war in Laos was resumed in earnest in 1963, American participation has been veiled in secrecy.

I don't like alien films where you don't get to see the aliens.

Things are sullen, and will be as they are, whatever we think them or wish them to be.