99. They related that sometimes they are visited by spirits from our world, who ask them what God they worship. Their reply is that their questioners must be mad, and there can be no greater madness than to ask what God anyone worships, seeing that there is one sole God for all in the universe; and it is even more madness not to say that the Lord is that sole God, who controls the whole heaven and so the whole world. For the controller of heaven is also the controller of the world, since the world is controlled by means of heaven.