“Orthodoxy, however, entails a revolution in our metaphysical conception of the relationship between God and humanity, and therefore between the uncreated Unum and the maior dissimilitudo of the creature before the Unum. Properly understood, the apostolic confession of the unity of Christ does not stand midway between a “too unitive Christology” on the one hand, and a “too differentiating Christology” on the other; rather, it wholly recapitulates the nature of the difference of man before God.”