He know the one for this job - Lucifer, who had fallen. And he also knew at that moment that Lucifer would so bedazzle the hearts of his creation that he himself would have to come down and live physically with them to defeat Lucifer. Good would triumph over evil when the whole of mankind would recognize with love the supreme power of the creator. A t this moment, the greatest miracle of creation was needed. Their predecessors in the evolutionary chain had no spirit and knew no God.
Flesh gives birth to flesh, and spirit gives birth to spirit.
And from that moment on, he tends his creations with the love that only a father-creator is capable, nudging us here, leading us there as we enjoy this sublime existence that he gave us.