Knowing that we are primates, I think, is a fascinating discovery, and a very interesting and rather cheering one.

Skepticism rather than credulity is the highest principle that the human intellect can use to ennoble our existence.

In the grip of a neurological disorder, I am fast losing control of words even as my relationship with the world has been reduced to them.

There are two clocks ticking in Iran. One is the democracy movement clock which is ticking now faster than it was but it's got a lot of catching up to do. And then there's the clock that's ticking towards a nuclear weaponry.

Your least favorite virtue, or nominee for the most overrated one? Faith. Closely followed—in view of the overall shortage of time—by patience.

I have a strong constitution which has served me quite well, though if I hadn't had such a strong one I might have led a more healthy life perhaps.

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