Let us rejoice, then, and give thanks that we are made not only Christians, but Christ. Do ye understand, brethren, and apprehend the grace of God upon us? Marvel, be glad, we are made Christ. For if He is the Head, we are the Members: the whole Man is — He and we — the fullness of Christ, then, is Head and Members. Head and Members, what is that? Christ and the Church. (Homilies on the Gospel of St. John, XXI.8 (PL 75, 1568 A)