What I can't create I don't understand

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!

Stupid Wars are easy to start but hard to end.

There are no important differences between men and women, but the unimportant ones are sometimes very interesting.

Generosity, generosity, generosity, must be the beginning and ending of our life

If I didn't smell so good would you still hug me?

The Christian on his knees sees more than the philosopher on tiptoe. God sends no one away empty except those who are full of themselves.

I just sat all night looking at him, saying, 'Wow, it's incredible.' When Yoko woke up, I told her, 'He's fine,' and we cried.

I definitely want to go back to the theatre. It is hard work, it is repetitive, but it is intensely rewarding.

Sometimes you never feel lonelier than when you are always doing tons of things and traveling all over the place. There is a real feeling of loneliness sometimes.

I just wanted to do something important.

As destruction goes, the monster said behind him, this is all remarkably pitiful.