[145] The moon and the sun, indeed, and the whole of the heaven has clearness bright and distinct, inasmuch as all things are alike which exist permanently in the heaven; and as they are all measured by the rules of truth itself, in harmonious order and in the most admirable agreement. But as for earthly things, which are full of great disorder and confusion, they are inharmonious and discordant, to speak with perfect correctness, so that dense darkness has overtaken some of them, while others resemble the most brilliant light, or rather they are themselves the clearest and purest of light.