Theology is a non-subject. I'm not saying that professors of theology are non-professors. They do interesting things, like study biblical history, biblical literature. But theology, the study of gods, the study of what gods do, presupposes that gods exist. The only kind of theology that I take account of are those theological arguments that actually argue for the existence of God.

The Roman Catholic Church is an institution for whose gains the phrase "ill-gotten" might have been specially invented. And of all its money-making rip-offs, the selling of indulgences must surely rank among the greatest con tricks in history, the medieval equivalent of the Nigerian Internet scam but far more successful.

The God of the Old Testament is arguably the most unpleasant character in all fiction: jealous and proud of it; a petty, unjust, unforgiving control-freak; a vindictive, bloodthirsty ethnic cleanser; a misogynistic, homophobic, racist, infanticidal, genocidal, filicidal, pestilential, megalomaniacal, sadomasochistic, capriciously malevolent bully.

It really comes down to parsimony, economy of explanation. It is possible that your car engine is driven by psychokinetic energy, but if it looks like a petrol engine, smells like a petrol engine and performs exactly as well as a petrol engine, the sensible working hypothesis is that it is a petrol engine.

Sometimes in life it is a good idea to stop,sometimes it is a good idea to go on. The trick is to decide when to stop

I'm a sucker for nice religious leaders. I fall for it every time.

DNA is ROM. It can be read millions of times over, but only written to once - when it is first assembled the birth of the cell in which it resides.