He shall send his angel before thee, to direct and succeed thee in this enterprise. Compare Exodus 14:19, Exodus 23:20. Thou shalt take a wife unto my son from thence; I doubt not of the success. He might say so, either by rational conjecture, both from the nature of the thing, and from the constant course of God's providence blessing him in all his concerns; or by particular assurance and inspiration from God.
Related Commentaries of Genesis 24:7
Genesis 24:7
7 The LORD God of heaven, which took me from my father's house, and from the land of my kindred, and which spake unto me, and that sware unto me, saying, Unto thy seed will I give this land; he shall send his angel before thee, and thou shalt take a wife unto my son from thence.