A retaliator behaves like a hawk when he is attacked by a hawk, and like a dove when he meets a dove. When he meets another retaliator he plays like a dove. A retaliator is a conditional strategist. His behaviour depends on the behaviour of his opponent.

We are going to die, and that makes us the lucky ones. Most people are never going to die because they are never going to be born. The potential people who could have been here in my place but who will in fact never see the light of day outnumber the sand grains of Sahara.

Alister McGrath has now written two books with my name in the title. The poet W. B. Yeats, when asked to say something about bad poets who made a living by parasitizing him, wrote the splendid line, 'was there ever dog that praised his fleas?

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?

It's about time we start criticizing faith.

I personally would go further and say that, if your morality is based, as mine is, on a desire to increase the sum of happiness and reduce suffering, the decision to deliberately give birth to a Down baby, when you have the choice to abort it early in the pregnancy, might actually be immoral from the point of view of the child’s own welfare.

It is interesting to ask whether there's any general reason why being religious might make you do nice things or indeed nasty things. It's possible that people do nice things because they're religious. One reason might be they're hoping for a reward in Heaven, which is not a very noble reason.