Genesis 32:31

And as to an appearance (which is better than a dream), he speaks as follows about himself: “And Jacob was left alone; and there wrestled a man with him until the breaking of the day. And he saw that he prevailed not against him, and he touched the breadth of his thigh; and the breadth of Jacob’s thigh grew stiff while he was wrestling with him. And he said to him, Let me go, for the day breaketh. And he said, I will not let thee go, except thou bless me. And he said unto him, What is thy name? And he said, Jacob. And he said to him, Thy name shall be called no more Jacob, but Israel shall be thy name: for thou hast prevailed with God, and art powerful with men. And Jacob asked him, and said, Tell me thy name. And he said, Wherefore is it that thou dost ask after my name? And he blessed him there. …

What if in another place also we read in like manner that God was described as an angel? For when, to his wives Leah and Rachel, Jacob complained of the injustice of their father, and when he told them that he desired now to go and return into his own land, he moreover interposed the authority of his dream; and at this time he says that the angel of God had said to him in a dream, “Jacob, Jacob. And I said,” says he, “What is it? Lift up thine eyes, said He, and see, the he-goats and the rams leaping upon the sheep, and the she-goats are black and white, and many-coloured, and grizzled, and speckled: for I have seen all that Laban hath done to thee. …

16. For if it be not so, but the Word is a creature and a work out of nothing, either He is not True God because He is Himself one of the creatures, or if they name Him God from regard for the Scriptures, they must of necessity say that there are two Gods, one Creator, the other creature, and must serve two Lords, one Unoriginate, and the other originate and a creature; and must have two faiths, one in the True God, and the other in one who is made and fashioned by themselves and called God. And it follows of necessity in so great blindness, that, when they worship the Unoriginate, they renounce the originate, and when they come to the creature, they turn from the Creator. For they cannot see the One in the Other, because their natures and operations are foreign and distinct. …

52. Further, if, in confessing Father and Son, we spoke of two beginnings or two Gods as Marcion and Valentinus, or said that the Son had any other mode of godhead, and was not the Image and Expression of the Father, as being by nature born from Him, then He might be considered unlike; for such essences are altogether unlike each other. But if we acknowledge that the Father’s godhead is one and sole, and that of Him the Son is the Word and Wisdom; and, as thus believing, are far from speaking of two Gods, but understand the oneness of the Son with the Father to be, not in likeness of their teaching, but according to essence and in truth, and hence speak not of two Gods but of one God; there being but one Form of Godhead, as the Light is one and the Radiance; (for this was seen by the Patriarch Jacob, as Scripture says, ‘The sun rose upon him when the Form of God passed by,’ Gen. xxxii. …

19. What shall I say of Abraham who had three wives, as Jovinianus says, and received circumcision as a sign of his faith? If we follow him in the number of his wives, let us also follow him in circumcision. We must not partly follow, partly reject him. Isaac, moreover, the husband of one wife, Rebecca, prefigures the Church of Christ, and reproves the wantonness of second marriage. And if Jacob had two pairs of wives and concubines, and our opponent will not admit that blear-eyed Leah, ugly and prolific, was a type of the synagogue, but that Rachel, beautiful and long barren, indicated the mystery of the Church, let me remind him that when Jacob did this thing he was among the Assyrians, and in Mesopotamia in bondage to a hard master. …