We are machines built by DNA whose purpose is to make more copies of the same DNA. ... This is exactly what we are for. We are machines for propagating DNA, and the propagation of DNA is a self-sustaining process. It is every living object's sole reason for living.

When we talk about genes for anything, like a gene for being gay or a gene for being aggressive or something of that sort, that a gene for anything may not have been a gene for that thing under different environmental conditions.

I think there in a great deal to be said for religious education in the sense of teaching about religion and biblical literacy. Both those things, by the way, I suspect will prepare a child to give up religion. If you are taught comparative religion, you are more likely to realise that there are other religions than the one you have been brought up in. And if you are if you are taught to read the bible, I can think of almost nothing more calculated to turn you off religion.

Though the details differ across the world, no known culture lacks some version of the time-consuming, wealth consuming, hostility provoking rituals, the anti-factual, counter-productive fantasies of religion.

Scientific beliefs are supported by evidence, and they get results. Myths and faiths are not and do not.

The recurrent laryngeal nerve - which runs from the head to the voice box - goes all the way down into the chest, loops around a major artery, then goes all the way back up again. It goes right past the larynx on the way down. All a decent designer would have to do is loop it off at that point. What we're looking at is the legacy of history.

Suppose that there's a gene that makes you gay if you were bottle-fed but that has some completely different effect if you were breast-fed. So in the days before bottles were invented that gene would not have manifested itself as gay behavior, but now that bottles are common it can do so.