In my own professional work I have touched on a variety of different fields. I've done work in mathematical linguistics, for example, without any professional credentials in mathematics; in this subject I am completely self-taught, and not very well taught.

It's very hard to look in the mirror. We all know this. It's much easier to have illusions about yourself. And in particular, when you think, well, I'm going to believe what I like, but I'll say what the powerful want, you do that over time, and you believe what you say.

The target of preventive war must have several characteristics. It must be virtually defenceless; it must be important enough to be worth the trouble; it must be possible to portray it as the ultimate evil and an imminent threat to our survival.

The U.S. is, to a very unusual extent, a business-run society.

I am thinking of actual cases of adolescents, lets say, who think they have five hundred friends, because there are five hundred people on their Facebook account. But these are the kind of friends whose relation to you is that if you say 'I bought a sandwich'; they say 'did it taste good?' You know, that's a kind of interaction, but very different to having a real friend, somebody who you can actually talk to.

September 11 shocked many Americans into an awareness that they had better pay much closer attention to what the US government does in the world and how it is perceived. Many issues have been opened for discussion that were not on the agenda before. That's all to the good.

The whole infrastructure of air travel was, and is, part of government policy. It is not a natural development of a free economic system - at least not in the way that is claimed. The same is true of the roads, of course.