Genesis 32:27

And I continued: “It is again written by Moses, my brethren, that He who is called God and appeared to the patriarchs is called both Angel and Lord, in order that from this you may understand Him to be minister to the Father of all things, as you have already admitted, and may remain firm, persuaded by additional arguments. The word of God, therefore, [recorded] by Moses, when referring to Jacob the grandson of Abraham, speaks thus: ‘And it came to pass, when the sheep conceived, that I saw them with my eyes in the dream: And, behold, the he-goats and the rams which leaped upon the sheep and she-goats were spotted with white, and speckled and sprinkled with a dun colour. And the Angel of God said to me in the dream, Jacob, Jacob. …

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. …