Things are always more complicated than most people believe.

Mathematics is really an art, not a science.

In religion, you're supposed to be somehow in touch with something deep and full of mysteries.

The language that nature speaks is the same language that we invented for mathematics. That's just an amazing piece of luck, which we don't understand.

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

The technologies which have had the most profound effects on human life are usually simple. A good example of a simple technology with profound historical consequences is hay. ... It was hay that allowed populations to grow and civilizations to flourish among the forests of Northern Europe. Hay moved the greatness of Rome to Paris and London, and later to Berlin and Moscow and New York.

We won't really understand the brain until we can make models of it which are analog rather than digital, which nobody seems to be trying very much.