Evolution is as much a fact as the heat of the sun.

I was brought up in a family which valued natural history. Both my parents knew the names of all the British wildflowers, so as we went walking the country, I was constantly being exposed to a natural history sort of knowledge.

Atheism is not a religion. Abstinence is not a sex position.

Let us try to teach generosity and altruism, because we are born selfish. Let us understand what our own selfish genes are up to, because we may then at least have the chance to upset their designs, something that no other species has ever aspired to do.

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.

There is something infantile in the presumption that somebody else has a responsibility to give your life meaning and point… The truly adult view, by contrast, is that our life is as meaningful, as full and as wonderful as we choose to make it.

There is another kind of altruism that seems to go beyond that, a kind of super-altruism, which humans appear to have. And I think that does need a Darwinian explanation.