Mathematics is really an art, not a science.

You have this world of mathematics, which is very real and which contains all kinds of wonderful stuff. And then we also have the world of nature, which is real, too.

A model is such a fascinating toy that you fall in love with your creation.

That's, of course, the beautiful thing about science - that it's all about things we don't understand, not just the things we do understand.

In the end it is how you fight, as much as why you fight, that makes your cause good or bad.

I'm a mathematician, basically. What I do is look around for problems where I can find useful applications for mathematics. All I do, really, is the math, and other people have the ideas.

Lucky individuals in each generation find technology appropriate to their needs.