One cannot understand... the universality of laws of nature, the relationship of things, without an understanding of mathematics. There is no other way to do it.

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!

Life, unfortunately, doesn't seem to care what we want.

The starting point for greatness is to know what to do with your life.

When people see you're happy doing what you're doing, it sort of takes the power away from them to tease you about it.

Stop seeking advice from bitter people, because they would for the most part contribute to making your situation worse.

But you can’t give them everything they want—they will always want more than they have.

You will not be stuck forever. The trick is to know there are no tricks. There is, in fact, no easy way. There is only the work.

Men need rule books. Women want men to intuit what they want. And only about 2% of men can do that, and most of them are not heterosexual.

I've been fined probably more than any driver, and I've probably paid it out of my own pocket more than any driver.

Start with the foreground. Compositions fail when the foreground is treated as an afterthought.

Tawbah is the cleaning of the heart, dhikr is the feeding of the heart.