We scientists are clever — too clever — are you not satisfied? Is four square miles in one bomb not enough? Men are still thinking. Just tell us how big you want 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!

When a true genius appears, you can know him by this sign: that all the dunces are in a confederacy against him.

It was delightful but, of course, it was pretty insulting to my professional reputation.

The most difficult part of dating as a single parent is deciding how much risk your own child's heart is worth.

I had never liked bullying of any sort, especially when an individual acquires his courage by becoming part of a faceless mob. I always say if you need fake courage, get it out of a bottle like I do.

During true revival, thousands of lost people are suddenly swept into the Kingdom of God. Scenes of the lost coming to the Savior in great, and unprecedented numbers, are common.

Climate of Egypt in winter is the reign of spring upon earth, & summer in the air, and tranquility in the heat.

The worst thing that can happen to you is not striving for what you want.

In war one must lean on an obstacle in order to overcome it.

I do think sometimes people get morally superior without understanding situations.

Music is the vapor of art. It is to poetry what reverie is to thought, what fluid is to solid, what the ocean of clouds is to the ocean of waves.