To guess what to keep and what to throw away takes considerable skill. Actually it is probably merely a matter of luck, but it looks as if it takes considerable skill.

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!

Art is what you get away with

Hark, dumbass, the error is not to fall but to fall from no height. Don't fall off a curb, fall off a cliff.

Let's enjoy love: without it we cannot live.

In mathematics alone each generations adds a new story to the old structure.

I don't bring my life into a character at all.

Reggie [Bush] is the slowest person anyone will ever encounter. I don't understand how he's so fast on the field. He's like a slug!

I can no longer obey; I have tasted command, and I cannot give it up.

In some remote regions of Islam it is said, a woman caught unveiled by a stranger will raise her skirt to cover her face.

Son, the phrase is self-contradictory; "sense" is never "common".

And "withdrawal from the world" is nothing but the destruction of passions and manifestation of the innermost life in Christ.