Our imagination is stretched to the utmost, not, as in fiction, to imagine things which are not really there, but just to comprehend those things which are there.

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!

...all a guy can do is die once. The big difference is whether he dies clean - or dirty... ("I'm Dangerous Tonight")

A dog can express more with his tail in minutes than an owner can express with his tongue in hours.

Through the years, I have learned there is no harm in charging oneself up with delusions between moments of valid inspiration.

They say geniuses mostly have great mothers. They mostly have sad fates.

Organizing the working class in England or the U.S. or any other advanced capitalist country has been a daunting challenge.

A life allied with mine, for the rest of our lives... that is the miracle of marriage.

We should be willing to act as a balm for all wounds.

For the gods, instead of what is most pleasing, will give what is most proper. Man is dearer to them than he is to himself.

Pain and trials are almost constant companions, but never enemies. They drive me into His sovereign arms. There He takes my disappointments and works everything together for good.

I've always been transparent in who I am as a person.