16. But lest they should suppose that eternal life was promised in this meat and drink in such manner that they who should take it should not even now die in the body, He condescended to meet this thought; for when He had said, "He that eateth my flesh, and drinketh my blood, hath eternal life," He forthwith subjoined, "and I will raise him up on the last day." That meanwhile, according to the Spirit, he may have eternal life in that rest into which the spirits of the saints are received; but as to the body, he shall not be defrauded of its eternal life, but, on the contrary, he shall have it in the resurrection of the dead at the last day.
17. "For my flesh," saith He, "is meat indeed, and my blood is drink indeed." For whilst by meat and drink men seek to attain to this, neither to hunger nor thirst, there is nothing that truly affords this, except this meat and drink, which doth render them by whom it is taken immortal and incorruptible; that is, the very fellowship of the saints, where will be peace and unity, full and perfect. Therefore, indeed, it is, even as men of God understood this before us, that our Lord Jesus Christ has pointed our minds to His body and blood in those things, which from being many are reduced to some one thing. For a unity is formed by many grains forming together; and another unity is effected by the clustering together of many berries.
18. In a word, He now explains how that which He speaks of comes to pass, and what it is to eat His body and to drink His blood. "He that eateth my flesh, and drinketh my blood, dwelleth in me, and I in him." This it is, therefore, for a man to eat that meat and to drink that drink, to dwell in Christ, and to have Christ dwelling in him. Consequently, he that dwelleth not in Christ, and in whom Christ dwelleth not, doubtless neither eateth His flesh [spiritually] nor drinketh His blood [although he may press the sacrament of the body and blood of Christ carnally and visibly with his teeth], but rather doth he eat and drink the sacrament of so great a thing to his own judgment, because he, being unclean, has presumed to come to the sacraments of Christ, which no man taketh worthily except he that is pure: of such it is said, "Blessed are the pure in heart, for they shall see God." [529]
19. "As the living Father hath sent me," saith He, "and I live by the Father; so he that eateth me, even he shall live by me." He says not: As I eat the Father, and live by the Father; so he that eateth me, the same shall live by me. For the Son, who was begotten equal, does not become better by participation of the Father; just as we are made better by participation of the Son, through the unity of His body and blood, which thing that eating and drinking signifies. We live then by Him, by eating Him; that is, by receiving Himself as the eternal life, which we did not have from ourselves. Himself, however, lives by the Father, being sent by Him, because "He emptied Himself, being made obedient even unto the death of the cross." [530] For if we take this declaration, "I live by the Father," [531] according to that which He says in another place, "The Father is greater than I;" just as we, too, live by Him who is greater than we; this results from His being sent. The sending is in fact the emptying of Himself, and His taking upon Him the form of a servant: and this is rightly understood, while also the Son's equality of nature with the Father is preserved. For the Father is greater than the Son as man, but He has the Son as God equal,--whilst the same is both God and man, Son of God and Son of man, one Christ Jesus. To this effect, if these words are rightly understood, He spoke thus: "As the living Father hath sent me, and I live by the Father; so he that eateth me, even he shall live by me:" just as if He were to say, My emptying of myself (in that He sent me) effected that I should live by the Father; that is, should refer my life to Him as the greater; but that any should live by me is effected by that participation in which he eats me. Therefore, I being humbled, do live by the Father, man being raised up, liveth by me. But if it was said, "I live by the Father," so as to mean, that He is of the Father, not the Father of Him, it was said without detriment to His equality. And yet further, by saying, "And he that eateth me, even he shall live by me," He did not signify that His own equality was the same as our equality, but He thereby showed the grace of the Mediator.
20. "This is the bread that cometh down from heaven;" that by eating it we may live, since we cannot have eternal life from ourselves. "Not," saith He, "as your fathers did eat manna, and are dead: he that eateth this bread shall live forever." That those fathers are dead, He would have to be understood as meaning, that they do not live forever. For even they who eat Christ shall certainly die temporally; but they live forever, because Christ is eternal life.
[509] Matt. v. 6.
[510] 1 Cor. i. 30.
[511] Rom. x. 3.
[512] Rom. xiii. 10.
[513] Rom. v. 5.
[514] Rom. x. 10.
[515] Luke viii. 45.
[516] John xx. 17.
[517] Ps. xxxvii. 4.
[518] Trahit sua quemque voluptas.--Virg. Ec. 2.
[519] Ps. xxxvi. 8.
[520] Cant. i. 3.
[521] Matt. xvi. 16, 17.
[522] 1 Cor. iii. 7.
[523] Gen. i. 1.
[524] 1 Cor. xi. 29.
[525] Matt. vi. 12.
[526] 1 Cor. x. 1-4.
[527] 1 Cor. x. 17.
[528] Ps. lxviii. 6.
[529] Matt. v. 8.
[530] Phil. ii. 8.
[531] Propter Patrem.
Tractate XXVII.