Even if matter could do every outward thing that God does,...

Even if matter could do every outward thing that God does, the idea of it would not work as satisfactorily, because the chief callfor a God on modern men's part is for a being who will inwardly recognize them and judge them sympathetically. Matter disappoints this craving of our ego, so God remains for most men the truer hypothesis, and indeed remains so for definite pragmatic reasons.