I don't feel frightened by not knowing things, by being lost in the mysterious universe without any purpose - which is the way it really is, as far as I can tell. Possibly. It doesn't frighten me.

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!

You prove to people that you don’t pay attention to their words when they see that you don’t remember what they tell you earlier.

Love is always about losing something

This problem with illegal immigration is nothing new. In fact, the Indians had a special name for it. They called it "white people."

I don't have a problem with drugs, I have a problem with policemen.

Empathy requires knowing that you know nothing.

In Europe I have been accused of taking my scientific ideas from the Church. In America I have been called a heretic, because I will not let my church-going friends pat me on the head.

Look the, the American worker has been losing - for decades now. We've seen manufacturing in decline here in the industrial Midwest.

The search for happiness is unlike any other search, for we search last in the likeliest places.

Carrying 200 pounds of velvet and satin around a stage for 90 minutes - that's man's work, let me tell you.

I am both a night owl and an early bird. So I am wise and I have worms.