This first principle and cause of all things, given its supersubstantiality, was unknowable. We cannot understand God as we can, say, abstract mathematical or metaphysical truths, let alone experience him directly through our senses. Nevertheless, the universe, mere vestige of him though it is, teaches us a few incontrovertible truths. We know, first, that he exists. We can deduce that a sculptor exists when we see a statue, even though we know nothing else about him. Similarly, we know from the