Nestorius rightly observed, did not think with the intellect of manhood, but with the intellect of the God-Logos; he did not feel by means of a human soul but in unity with his Godhead etc.[1]
Nobody can doubt that the doctrine of the Antiochian school, which Nestorius held, was a clearer one. Christ, according to them, was really a man who thought and felt as a man and had his bodily, intellectual and moral development as other men. Nevertheless they asserted that Christ was also perfect in his Godhead, as the Logos is ὁμοούσιος τῷ πατρί. But they were blamed by their opponents for not having brought these two ideas to such an agreement, that the oneness of the person of Christ became comprehensible. They were said to have divided Christ into two persons and two sons—the eternal son of God and the son of Mary,—the first being son of God by nature and the other only by adoption.
Nestorius, too, is reproached for this, but he again and again protested against this reproach. Christ, as he continually says, was one: one Christ, one son of God, one Lord, one πρόσωπον[2]. Also in the Treatise of Heraclides there are numerous explanations of this kind. If you, so he says to Cyril, understand by the ἕνωσις
