Lend me your attention while I run through some of the points of the older systematic theology. You find them in both Protestant and Catholic manuals, best of all in the innumerable textbooks published since Pope Leo’s Encyclical recommending the study of Saint Thomas. I glance first at the arguments by which dogmatic theology establishes God’s existence, after that at those by which it establishes his nature.
The arguments for God’s existence have stood for hundreds of years with the waves of unbelieving criticism breaking against them, never totally discrediting them in the ears of the faithful, but on the whole slowly and surely washing out the mortar from between their joints. If you have a God already whom you believe in, these arguments confirm you. If you are atheistic, they fail to set you right. The proofs are various. The “cosmological” one, so-called, reasons from the contingence of the world to a First Cause which must contain whatever perfections the world itself contains. The “argument from design” reasons, from the fact that Nature’s laws are mathematical, and her parts benevolently adapted to each other, that this cause is both intellectual and benevolent. The “moral argument” is that the moral law presupposes a lawgiver. The “argument ex consensu gentium ” is that the belief in God is so widespread as to be grounded in the rational nature of man, and should therefore carry authority with it.
As I just said, I will not discuss these arguments technically. The bare fact that all idealists since Kant have felt entitled either to scout or to neglect them shows that they are not solid enough to serve as religion’s all-sufficient foundation. Absolutely impersonal reasons would be in duty bound to show more general convincingness. Causation is indeed too obscure a principle to bear the weight of the whole structure of theology. As for the argument from design, see how Darwinian ideas have