John 20:21

As the Father hath sent me. The word mission, when applied to our Saviour Christ, sometimes signifies his eternal procession from the Father, and sometimes his mission, as he was sent into the world to become man, and the Redeemer of mankind: the first mission agrees with him, as the eternal Son of God; the second, as man, or as both God and man. The mission which Christ here gives his apostles, is like this latter mission, which this great difference, that graces and divine gifts were bestowed on Christ, even as man, without measure: and the apostles had a much lesser share in both these missions. See St. Augustine, lib. iv. de Trin. chap. xix. xx. tom. 4. p. 829. and seq. (Witham) --- Jesus Christ here shews his commission, and so giveth power to his apostles to forgive sins, as when he gave them commission to preach and baptize throughout the world, he made mention of his own power. Hence, whosoever denies the apostles, and their successors, the right of preaching, baptizing, and remitting sins, must consequently deny that Christ, as man, had the power to do the same. St. Cyprian, in the 3rd century, ep. lxxiii. says: "for the Lord, in the first place, gave to St. Peter, on whom he built his Church, super quem ædificavit Ecclesiam, the power that what he loosed on earth, should be loosed also in heaven. And after his resurrection, he speaks also to his apostles, saying, as the Father sent me, &c. whose sins you shall forgive," &c. Why, on this occasion, passing over the other apostles, does Jesus Christ address Peter alone? Because he was the mouth, and chief of the apostles. (St. John Chrysostom, de Sacerd. lib. ii. chap. 1.)