If we want to solve a problem that we have never solved before, we must leave the door to the unknown ajar.

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!

People are afraid of being more ignorant than their children―especially, apparantly, their daughters.

Wherever problem persist, wisdom is lacking. There is no problem anywhere except wisdom problem. Wisdom provides solutions where there is complications.

Do not use either harsh words or negative words. They only bring sadness and weaken the soul.

You never understood games. Maybe that's why the world was such a mystery to you.

It has never been, and never will be easy work! But the road that is built in hope is more pleasant to the traveler than the road built in despair, even though they both lead to the same destination.

In science, all facts, no matter how trivial or banal, enjoy democratic equality.

Not for a moment, beautiful aged Walt Whitman, have I failed to see your beard full of butterflies.

The pursuit of happiness is in our Constitution. We're all entitled to have the best we can

I'm the youngest of six children; both of my sisters are housewives and they each have four kids.

In and out of my heart flowed my rainbow blood.