Luke 10:16

First Apology of Justin

And He is called Angel and Apostle; for He declares whatever we ought to know, and is sent forth to declare whatever is revealed; as our Lord Himself says, "He that heareth Me, heareth Him that sent Me."[133]

Irenaeus Against Heresies Book III

For the Lord of all gave to His apostles the power of the Gospel, through whom also we have known the truth, that is, the doctrine of the Son of God; to whom also did the Lord declare: "He that heareth you, heareth Me; and he that despiseth you, despiseth Me, and Him that sent Me."[1]

Clement of Alexandria Who is the Rich Man that Shall Be Saved?

And in another place, "He that receiveth you; receiveth Me; and he that receiveth not you, rejecteth Me."[46]

Tertullian Against Marcion Book IV

it will be manifest that the prohibition of intercourse descended to Christ from Him. The form of it which He uses-"He that despiseth you, despiseth me"[971]

Cyprian Epistle LIV

And the Lord also in the Gospel says, "He that heareth you, heareth me, and Him that sent me; and he that rejecteth you, rejecteth me; and he that rejecteth me, rejecteth Him that sent me."[17]

Cyprian Epistle LXVIII

of God and of Christ, who says to the apostles, and thereby to all chief rulers, who by vicarious ordination succeed to the apostles: "He that heareth you, heareth me; and he that heareth me, heareth Him that sent me; and he that despiseth you, despiseth me, and Him that sent me."[11]

Constitutions of the Holy Apostles Book II

For he that heareth him, heareth Christ; and he that rejecteth him, rejecteth Christ; and he who does not receive Christ, does not receive His God and Father: for, says He, "He that heareth you, heareth me; and he that rejecteth you, rejecteth me; and he that rejecteth me, rejecteth Him that sent me."[107]

Constitutions of the Holy Apostles Book VIII

But now our discourse hastens as to the principal part, that is, the constitution of ecclesiastical affairs, that so, when ye have learned this constitution from us, ye who are ordained bishops by us at the command of Christ, may perform all things according to the commands delivered you, knowing that he that heareth us heareth Christ, and he that heareth Christ heareth His God and Father,[41]

Constitutions of the Holy Apostles Book VIII

For says the Lord: "He that heareth you, heareth me; and he that heareth me, heareth Him that sent me." And, "He that despiseth you, despiseth me; and he that despiseth me, despiseth Him that sent me."[203]

The First Epistle of Pope Pontianus

And elsewhere: He that heareth you, heareth me; and he that despiseth you, despiseth me; and he that despiseth me, despiseth Him that sent me.[3]