All we know so far is what doesn't work.

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!

A peaceful world is only the world of handsome guys and beautiful ladies.

You feel pretty, manly to me, " I breathed out, all jelly-legged with half-mast eyes."And you feel like a woman worthy of a fight, Ms.Greene.

In hell there's a big hotel where the bar just closed and the windows never opened. No phone so you can't call home, and the TV works, but the clicker is broken.

A city grows like an organism. It is a structure of living and working together a mix of functions.

My son, Max, was born the day Princess Di died.

I like giving people something they don't want to miss the next time. It's a show with little twists and turns and curves. It has me being silly and stupid and compassionate and completely deep.

I grow spiritually when I accept responsibility for my life.

You have to make entertaining movies. But like a good meal, it's nice to have a little food for thought after you walk out of the theater rather than just wiling away a couple of hours.

There is no way to success in art but to take off your coat, grind paint, and work like a digger on the railroad, all day and every day.

A lot of times people are too ego caught up where they made the decision and "We're going to stick with it" and then I had to suffer.