Jamieson, Fausset and Brown on Genesis 27:6-10

6-10. Rebekah spake unto Jacob--She prized the blessing as invaluable; she knew that God intended it for the younger son [Ge 25:23]; and in her anxiety to secure its being conferred on the right object--on one who cared for religion--she acted in the sincerity of faith; but in crooked policy--with unenlightened zeal; on the false principle that the end would sanctify the means.