“The fitness or credibility of the Grand Miracle [the incarnation] itself cannot, obviously, be judged by the same standard. And let us admit at once that it is very difficult to find a standard by which it can be judged. If the thing happened, it was the central event in the history of the Earth—the very thing that the whole story has been about. Since it happened only once, it is by Hume’s standards infinitely improbable. But then the whole history of the Earth has also happened only once; is it therefore incredible? Hence the difficulty, which weighs upon Christian and atheist alike, of estimating the probability of the Incarnation. It is like asking whether the existence of Nature herself is intrinsically probable. That is why it is easier to argue, on historical grounds, that the Incarnation actually occurred than to show, on philosophical grounds, the probability of its occurrence. The historical difficulty of giving for the life, sayings and influence of Jesus any explanation that is not harder than the Christian explanation, is very great.” —C.S. Lewis, Miracles, (HarperCollins, 2001), pp. 174