We have this terrible struggle to try to explain things to people who have no reason to want to 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!

Have I..." I venture, terrified of the potential answer. "Have I gone mad?" "No, no, no." She says. "Okay, oui, peut-être, that depends. Maybe you have gone a little mad, and only for a little spell.

Small things lead to big changes.

I remember thinking quite logically that I didn't want to spoil my children with wealth and so that I would create a foundation, but not knowing exactly what it would focus on.

I think the Northern Ireland accent is one of the most beautiful in the world.

Heaven is a beautiful place to be, full of beautiful people having a beautiful time!

I treat others exactly the way I want to be treated.

If we care about universal principles such as freedom, democracy and the rule of law, we cannot leave them to the care of market forces; we must establish some other institutions to safeguard them.

It was like having a box of chocolates shut in the bedroom drawer. Until the box was empty it occupied the mind too much.

Fullness to such a burden is That go on pilgrimage; Here little, and hereafter bliss, Is best from age to age.

I like the idea that neither makes any romantic move until their philosophies are aligned.