Proclus, The Six Books of Proclus, the Platonic Successor…
“ All these particulars therefore, clearly demonstrate to us that Plato considers the demiurgus of wholes to be the same with Jupiter. For he who alone is the cause of life to all things, and who is the king of all things, is the demiurgus of the universe. And he who in a remarkable manner rejoices in a duad of names, is he who arranges and adorns the whole world. ”
