Science is a way of trying not to fool yourself.

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!

I didn't answer. Just shook my head and let the tears roll. "I just want it to go away. I just want all the drama to stop. Nobody would believe me anyway, " I whispered. "Nobody would care.

Do you get the irony?Who is now talking about, who ain't serious?Oh, we gonna do that and that and that and that?… Yeah, yeah You just wanna trick me one more time….

Thou shalt not follow someone, merely because they are following you.

I've always got on with lads, more than I have with girls.

I'm very hard on myself when it comes to writing.

The older I grow the more earnestly I feel that the few joys of childhood are the best that life has to give.

Live and everyone would die. Die and everyone would live. It seemed like such a simple choice. But nothing is ever as simple as it seems.

I believe in workers rights when people are doing a good job. If somebody needs support I am always there, but if they're taking the piss, I am hard on them.

If something looks difficult, it is more fantastic to do it! Stay away from the easy things!

The thing I'll remember most about the flight is that it was fun. In fact, I'm sure it was the most fun that I'll ever have in my life.