If there is something very slightly wrong in our definition of the theories, then the full mathematical rigor may convert these errors into ridiculous conclusions.

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 who enroll themselves in the schools of pride, eventually graduate with and high degree of fall. Failure employs “prides” scholars. Get rusticated now!

A fugitive on the run with a plan for the future is the definition of hubris.

In my view you cannot claim to have seen something until you have photographed it.

How happy is the blameless vestal’s lot!The world forgetting, by the world forgot.Eternal sunshine of the spotless mind!Each pray’r accepted, and each wish resign’d

I discovered at an early age that all I've ever wanted to do is design.

Artists are on the average less happy than men of science.

Dylan is so brilliant. To me, he makes William Shakespeare look like Billy Joel.

Fear is not the answer, not ever.

Our focus in the client group had always been to build products and features that people wanted to use. That we wanted to use. That our moms wanted to use.

I wish to believe in immortality-I wish to live with you forever.