You see, the chemists have a complicated way of counting: instead of saying "one, two, three, four, five protons", they say, "hydrogen, helium, lithium, beryllium, boron."

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!

– Some people forget, do you know – they forget what it is like to be young, to feel things ruthlessly, terribly. If you forget that much of life, well, I don’t know.

Without forgiveness, there's no future.

It's always good to remember where you come from and celebrate it. To remember where you come from is part of where you're going.

Wouldn't have pegged you for a dancer," he spoke to my mind "Funny, I would have pegged you for a stalker," I shot back.

Religion is dogmatic. Politic is ideological. Reason must be logical, but literature has a privilege of being equivocal.

If you're going to do something wrong, do it big, because the punishment is the same either way.

A true artist takes no notice whatever of the public. The public to him are non-existent.

Obama had the audacity to say, 'I have unequivocally prohibited the use of torture by the United States.' Ladies and gentlemen, torture in the United States has always been illegal.

Every generation renews itself in its own way; there's always a reaction against whatever is standard.

I have Mikhail Gorbachev and Boris Yeltsin to thank that a Russian writer can not only write anything he wants, but also publish it.