So it is with Aquinas and Anselm. In proving God’s existence they at no point appeal to supernatural revelation. Theirs are arguments based on reason alone. They were, of course, devised in a very different historical and philosophical context than the one we now inhabit, so they need to be updated to be persuasive. And when they are reformulated in modern terms, they are persuasive. I intend, as you will see, to make an argument very similar to Aquinas’s in a later chapter on the origin of the universe. My point is that the kind of reasoning about God that we see in Augustine, Aquinas, and Anselm is typical of Christianity. There is very little of this in any other religion. And out of such reasoning, remarkably enough, modern science was born.