Today's brains are yesterday's mashed potatoes.

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!

One who is hungry for growth, doesn't requires motivation and training.. He just needs an opportunity...

All people are endowed with the faculty of compassion, and for this reason can develop the humanitarian spirit.

The cure for mixed metaphors, I have always found, is for the patient to be obliged to draw a picture of the result.

When you hear Bach or Mozart, you hear perfection. Remember that Bach, Mozart and Beethoven were great improvisers. I can hear that in their music.

The man that blushes is not quite a brute.

The book, like the bicycle, is a perfect form.

There is no logic that can be superimposed on the city; people make it, and it is to them, not buildings, that we must fit our plans.

He who treasures his body as much as the world can care for the world.

When faced without a challenge, make one

I wanted to work with an elephant.