When the words of her older son Esau were relayed to Rebekah, she sent for her younger son Jacob and told him, “Look, your brother Esau is consoling himself by plotting to kill you.
42. And these words of Esau... were told to Rebekah. Moses now makes a transition to a new subject of history, showing how Jacob, as a wanderer from his father’s house, went into Mesopotamia. Without doubt, it was an exceedingly troublesome and severe temptation to the holy matron, to see that, by her own deed, her son was placed in imminent danger of death.
Here is, I. The malice Esau bore to Jacob upon account of the blessing which he had obtained, Gen 27:41. Thus he went in the way of Cain, who slew his brother because he had gained that acceptance with God of which he had rendered himself unworthy. Esau's hatred of Jacob was, 1. A causeless hatred.
Commenting on Genesis 27:41-46
And these words of Esau her eldest son were told to Rebekah,.... Jarchi and Jonathan say, by the Holy Ghost; but Aben Ezra thinks, by one of Esau's friends and confidants, to whom out of the abundance of his heart he had revealed this secret, which is not at all unlikely: and she sent and called Jacob her younger son; who might be in another...