Terrorism is the tactic of demanding the impossible, and demanding it at gunpoint.

I want to urge you very strongly to travel as much as you can, and to evolve yourself as an internationalist. It's as important a part of your education as a radical as the reading of any book.

We have lived in a world where the discoveries of physics and genetics are far more awe-inspiring, as well as infinitely more liberating, than the claims of any religion.

I don't think the war in Afghanistan was ruthlessly enough waged.

Henry Kissinger should have the door shut in his face by every decent person and should be shamed, ostracized and excluded.

There are days when I miss my old convictions as if they were an amputated limb. But in general I feel better, and no less radical, and you will feel better too, I guarantee, once you leave hold of the doctrinaire and allow your chainless mind to do its own thinking.

One of the reasons I decided to apply for American citizenship after something like a quarter of century of living here on a British, European Union passport and a green card, was my identification with the United States in the post-September 11th period.