ABSENCE OF IMPERFECTION IN GOD'S INFINITY
Although the infinity discerned in quantities is imperfect, the infinity predicated of God indicates supreme perfection in Him. The infinity that is in quantities pertains to matter, in the sense that matter lacks limits. Imperfection occurs in a thing for the reason that matter is found in a state of privation. On the other hand, perfection comes exclusively from form. Consequently, since God is infinite because He is exclusively form or act and has no admixture of matter or potentiality, His infinity pertains to His supreme perfection.
This can also be gathered from a consideration of other things. Although in one and the same being that evolves from imperfect to perfect, something imperfect precedes the perfect stage, as, for example, the boy is prior to the man, everything imperfect must derive its origin from what is perfect. The child is not begotten except by a man and the seed does not receive existence except from an animal or a plant. Accordingly that which is by nature prior to all other things and sets them all in motion, must be more perfect than all the rest.