To develop working ideas efficiently, I try to fail as fast as I can.

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!

This world is your world but that doesn't mean you can always stop it from burning.

The secret of getting ahead is getting started.

God could not be everywhere and therefore he made mothers.

Pride and vanity, the opposites of humility, can destroy our spiritual health as surely as a debilitating disease can destroy our physical health.

Their days [of Barack Obama and Hillary Clinton] - their days will be numbered very quickly.

The ideal way to get rid of any infectious disease would be to shoot instantly every person who comes down with it.

I identify with the bottom of the pyramid, because, outside of having money, I am at the bottom of the pyramid.

What I will say will not always please you, but what I say will always be honest and true and how I genuinely see it.

I'm not trying to sound pretentious, but we did sell 12 million records on the first album, so we did get paid a little bit.

No matter what you're trying to do there will be noise in the market... Before the race starts, I'm already focused on the victory.