The main reason for unbelief ultimately, is that people only believe what they wish to believe. After all, a small eyelid can shut out the entire sun! Willian Paley, a great favourite of mine, gave this illustration: If you walked in a desert and your foot kicked a stone, you wouldn’t think about it. But if you kicked a watch, you would get down and look at it. And you would marvel at it: the hard case to protect it, the glass so you could see, the proportionate moving of the hands. And when you took the back off and you saw the delicate mechanism and wheels and spring, you would say, “What a wonderful thing!” Then what if, as you hold it in your hands, suddenly another watch springs out? You pick up the second watch and you look at it, and suddenly yet another one comes out.…