We need to teach how doubt is not to be feared but welcomed. It's OK to say, "I don't know."

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!

...all the horrors of war are soon forgotten in the pomp and circumstance of show and parade.

Believe that you are not only beautiful, but you are amazing and wonderful.

What is poetry? Only the poetry can answer this!

Hangin' upside down ain't good for nobody but possums.

The important thing is to do good work, no matter what medium you do it in.

Vision, the hallmark of leadership, is less a derivative of spreadsheets and more a product of the mind called imagination.

The shamanic realm is to get you out of the word set. For skeptics, that's impossible, and they just can't see that and it just makes no sense.

How we feel is how we want to be heard.

After you've been working fairly intensively on a novel for six months you never want to see the damn thing again.

The mountains, the forest, and the sea, render men savage; they develop the fierce, but yet do not destroy the human.