(so he thinks) into the substance itself and says concerning the God of the universe that “it must be unbegotten substance.” As for me, I too would say that the substance of God is unbegotten, but I would not say that unbegottenness is the substance. Moreover, it is worthwhile to remind him that partlessness and simplicity are the same thing as far as the notion is concerned. For that which is not composed from parts is partless; similarly, that which is not constituted from many elements is simple.