Since I speak and write about this a good deal, I am often asked at public meetings, in what sometimes seems to me a rather prurient way, whether I myself or my family have 'ever been threatened' by jihadists. My answer is that yes, I have, and so has everyone else in the audience, if they have paid enough attention to the relevant bin-Ladenist broadcasts to notice the fact.

We owe a huge debt to Galileo for emancipating us all from the stupid belief in an Earth-centered or man-centered (let alone God-centered) system. He quite literally taught us our place and allowed us to go on to make extraordinary advances in knowledge.

How ya doin'?' I always think, What kind of a question is that?, and I always reply, 'A bit early to tell.

Alcohol makes other people less tedious, and food less bland, and can help provide what the Greeks called entheos, or the slight buzz of inspiration when reading or writing

I am a person of faith: I am a person who will believe practically anything on no evidence at all.

To be the father of growing daughters is to understand something of what Yeats evokes with his imperishable phrase 'terrible beauty.' Nothing can make one so happily exhilarated or so frightened: it's a solid lesson in the limitations of self to realize that your heart is running around inside someone else's body. It also makes me quite astonishingly calm at the thought of death: I know whom I would die to protect and I also understand that nobody but a lugubrious serf can possibly wish for a father who never goes away.

Bertrand Russell used to employ the method of "evidence against interest"; in other words of deciding that a critique of capital punishment, say, carried more weight if it came from a prison governor. (My friend John O'Sullivan puts it like this: If the pope says he believes in God, he's only doing his job; if he says he doesn't believe in God, he may be on to something.)