The Six Books of Proclus on the Theology of Plato, Volume 2

For it is evident that this cause also has necessarily a primary subsistence in the Gods; since all the causes of total good pre-exist in the divinities. But it subsists prior to the purifying cause. For the one liberates from things of a subordinate nature, but the other conjoins with more excellent natures. The elevating however, has a more partial order than the convertive cause. For every thing which converts, [is converted either to itself, or to that which is more excellent than itself.[281]] But the energy of the elevating cause is characterized by a conversion to that which is more excellent, as leading that which is converted to a superior and more divine cause.