I think a fundamentalist is somebody who believes something unshakably and isn't going to change their mind.

Evolution has been observed. It's just that it hasn't been observed while it's happening.

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.

To fill a world with ... religions of the Abrahamic kind, is like littering the streets with loaded guns. Do not be surprised if they are used.

If there is a God, it's going to be a whole lot bigger and a whole lot more incomprehensible than anything that any theologian of any religion has ever proposed.

What Francis [Collins] was just saying about Genesis was, of course, a little private quarrel between him and his Fundamentalist colleagues. It would be unseemly for me to enter in except to suggest that he'd save himself an awful lot of trouble if he just simply ceased to give them the time of day.

Professor Challenger, Conan Doyle's science hero, was a sort of irascible man constantly bellowing at people, so he was a little bit of a departure from both of those stereotypes.