Tertullian Against Marcion Book V that the Church is the body of Christ, so here also (the apostle) declares that he "fills up that which is behind of the afflictions of Christ in his flesh for His body's sake, which is the Church."[885] Archelaus Acts of the Disputation with the Heresiarch Manes and," I fill up that which was behind of the afflictions of Christ in my flesh."[353]