Genesis 28:1

“And Isaac called Jacob, etc.] Or therefore f1443, because of what Rebekah had said to him, related in the latter part of the preceding chapter, he sent for Jacob to come to him from his tent or apartment where he was, or from the field where he was keeping the flocks; thus paying a great regard to what his wife Rebekah had suggested to him, and which appeared to him very right and reasonable: and blessed him; he did not send for him to chide and reprove him for his fraudulent dealings with him to get the blessing from his brother, much less to revoke it, but to confirm it; which was necessary to prevent doubts that might arise in the mind of Jacob about it, and to strengthen him against the…”

“JACOB'S DEPARTURE. (Gen. 28:1-19) Isaac called Jacob and blessed him--He entered fully into Rebekah's feelings, and the burden of his parting counsel to his son was to avoid a marriage alliance with any but the Mesopotamian branch of the family. At the same time he gave him a solemn blessing--pronounced before unwittingly, now designedly, and with a cordial spirit. It is more explicitly and fully given, and Jacob was thus acknowledged "the heir of the promise."”

“28:1-2 Isaac remained in the land, but Jacob had to leave it. God would deal with Jacob under the hand of Laban, his uncle (see study note on 29:1–31:55). • Believers in any age must remain spiritually pure by marrying other believers (2 Cor 6:14-18). The Canaanite people incorporated dozens of groups and clans into their society and religion by wars, treaties, and marriages (see Gen 34:20-23). Abraham’s family was to resist such mixing (cp. 24:3; ch 34); they were to marry within their clan to maintain the purity of the line and of the faith that identified them as the chosen seed. The surest way to lose their distinctiveness was to intermarry with people of other tribal backgrounds and…”