I know that I am intelligent, because I know that I know nothing.

When Britain and the U.S. invaded Iraq, it was with the reasonable expectation that it was going to increase the threat of terror, as it has.

Well the protester I think is a very powerful thing. It's basically a mechanism of democracy that, along with capitalism, scientific innovation, those things have built the modern world. And it's wonderful that the new tools have empowered that protestor so that state secrets, bad developments are not hidden anymore.

Let us permit nature to have her way. She understands her business better than we do.

You wouldn't believe the kind of hate mail I get about my work on irregular verbs.