Gregory the Great, on Ezek 1:5

“And in the midst thereof the likeness of four living creatures: and this was their appearance: there was the likeness of a man in them.”

“"And this was their appearance: there was the likeness of a man in them." Since a little later these holy living creatures are described as distinct in their individual forms, so that one is said to be like a man, another like a lion, another like a calf, and another like an eagle, what does it mean that in this place it is said of all of them together, "The likeness of a man was in them"? But who is described as a man in this place, if not he of whom it is written: "Who, though he was in the form of God, did not count equality with God a thing to be grasped, but emptied himself, taking the form of a servant, being made in the likeness of men, and found in appearance as a man"? Therefore these living creatures, that they may be able to rise to the virtue of holiness, strive toward the likeness of this man. For they would not be holy if they did not have the likeness of this man, because whatever is in them of tender compassion, whatever of gentleness of spirit, whatever of zeal for righteousness, whatever of the keeping of humility, whatever of the fervor of charity—all this they drew from the very fountain of mercy, from the very root of gentleness, from the very power of justice, that is, from the Mediator between God and men, God the Lord. The outstanding preacher shows that he has the likeness of this man, saying: "Be imitators of me, as I also am of Christ." He urges us to rise to his likeness when he says: "The first man was from the earth, earthly; the second man is from heaven, heavenly. As we have borne the image of the earthly, let us also bear the image of him who descended from heaven." For each holy person is led to the likeness of this man to the extent that he imitates the life of his Redeemer. For to be at variance with his commandments and works, what else is it but to depart far from his likeness?”

Imported from an open dataset — not yet checked against the printed edition.