All qualified physicists, biologists, cosmologists and geologists agree, on the basis of massive, mutually corroborating evidence, that the earth's age is at least four billion years.

Evolution is a very, very important idea. It is the explanation for all of life - a stunningly simple, yet powerful explanation. If you think about it, before Darwin, we hadn't the foggiest idea of how we came into being. Now we do. It's still such an exciting idea that it is well worth everybody understanding it.

I love romantic poetry.

A gene might be able to assist replicas of itself that are sitting in other bodies. If so, this would appear as individual altruism but it would be brought about by gene selfishness.

Science boosts its claim to truth by its spectacular ability to make matter and energy jump through hoops on command, and to predict what will happen and when.

We cannot prove that there is no God, but we can safely conclude the He is very, very improbable indeed.

The story of Doubting Thomas is told, not so that we shall admire Thomas, but so that we can admire the other apostles in comparison. Thomas demanded evidence … The other apostles, whose faith was so strong that they did not need evidence, are held to us as worthy of imitation.