People who believe in God conclude there must have been a divine knob twiddler who twiddled the knobs of these half-dozen constants to get them exactly right. The problem is that this says, because something is vastly improbable, we need a God to explain it. But that God himself would be even more improbable.

All life evolves by the differential survival of replicating entities.

Gravity is not a version of the truth. It is the truth. Anyone who doubts it is invited to jump out a tenth-storey window.

Real life seeks the gentle slopes at the back of Mount Improbable, while creationists are blind to all but the daunting precipice at the front.

Writing a computer virus program is child's play. Any fool can do it, which is why the silly little twerps who do have nothing to be proud of.

Why would an all-powerful creator decide to plant his carefully crafted species on islands and continents in exactly the appropriate pattern to suggest, irresistibly, that they had evolved and dispersed from the site of their evolution?

I think that [Paul] Bloom's approach - and others who take it - is not so much that there is a precise genetic basis to faith. But there is a genetic basis to a psychological predisposition that manifests itself as faith and religion under the right conditions.