It is most important in creative science not to give up. If you are an optimist you will be willing to "try" more than if you are a pessimist.

Knowing what is big and what is small is more important than being able to solve partial differential equations.

Whatever is worth saying, can be stated in fifty words or less.

I am turned off when I see only formulas and symbols, and little text.

It is still an unending source of surprise for me how a few scribbles on a blackboard or on a piece of paper can change the course of human affairs.

Thoughts are steered in different ways.

The infinite we shall do right away. The finite may take a little longer.

The mathematicians know a great deal about very little and the physicists very little about a great deal.

What exactly is mathematics? Many have tried but nobody has really succeeded in defining mathematics; it is always something else.

Do not lose your faith. A mighty fortress is our mathematics. Mathematics will rise to the challenge, as it always has.

Mathematics may be a way of developing physically, that is anatomically, new connections in the brain.

Find comfort in little things and joy in unexpected moments.

Sometimes the only option is to raise the stakes, to throw yourself the other way, to force your opponent further down the path they've chosen, further than they might want to go.

I think you can measure how pathetic your life is by how much joy you get from learning about other people's faults and troubles.

Boys do not leave their boyhood behind when they leave off their school uniform.

I hear that in my head all the time now: 'Why don't you go and see?'.

Every newly discovered truth judges the world, separates the good from the evil, and calls on faithful souls to make sure of their election.

What I'm trying to do is deliver results, not promises; results, not vision; results, not concepts. The world is cynical about IBM's promises.

Art, well good art at least, takes you to a place you go during the experience of it, and then after you experience it you are different.

If you see everything through hovercams and feed stories, you wind up blind to what's right in front of you.

I'm a humanist and an optimist.