All the world’s Muslims have fewer Nobel Prizes than Trinity College, Cambridge. They did great things in the Middle Ages, though.

Cloning may be good and it may be bad. Probably it's a bit of both. The question must not be greeted with reflex hysteria but decided quietly, soberly and on its own merits. We need less emotion and more thought.

Religion shows a pattern of heredity which I think is similar to genetic heredity. ... There are hundreds of different religious sects, and every religious person is loyal to just one of these. ... The overwhelming majority just happen to choose the one their parents belonged to. Not the sect that has the best evidence in its favour, the best miracles, the best moral code, the best cathedral, the best stained-glass, the best music when it comes to choosing from the smorgasbord of available religions, their potential virtues seem to count for nothing compared to the matter of heredity.

The important thing to remember about mathematics is not to be frightened

[The Internet] is by far the most important innovation in the media in my lifetime. It's like having a huge encyclopedia permanently available. There's a tremendous amount of rubbish on the world wide web, but retrieval of what you want to so rapid that it doesn't really matter

If Bush and Blair are eventually put on trial for war crimes, I shall not be among those pressing for them to be hanged.

Our own existence once presented the greatest of all mysteries, but ... it is a mystery no longer because it is solved. Darwin and Wallace solved it ... I was surprised that so many people seemed not only unaware of the elegant and beautiful solution to this deepest of problems but, incredibly, in many cases actually unaware that there was a problem in the first place!