Isaac laid a net for his own feet. By his unrighteous and timorous haste he secured the defeat of his own long-cherished scheme. It was his hasting to bless Esau which drove Rebekah to checkmate him by winning the blessing for her favourite. The shock which Isaac felt when Esau came in and the fraud was discovered is easily understood. The mortification of the old man must have been extreme when he found that he had so completely taken himself in. He was reclining in the satisfied reflection that for once he had overreached his astute Rebekah and her astute son, and in the comfortable feeling that, at last, he had accomplished his one remaining desire, when he learns from the exceeding bitter cry of Esau that he has himself been duped. It was enough to rouse the anger of the mildest and godliest of men, but Isaac does not storm and protest--"he trembles exceedingly." He recognises, by a spiritual insight quite unknown to Esau, that this is God's hand, and deliberately confirms, with his eyes open, what he had done in blindness: "I have blessed him: _Yea_, and he shall be blessed." Had he wished to deny the validity of the blessing, he had ground enough for doing so. He had not really given it: it had been stolen from him. An act must be judged by its intention, and he had been far from intending to bless Jacob. Was he to consider himself bound by what he had done under a misapprehension? He had given a blessing to one person under the impression that he was a different person; must not the blessing go to him for whom it was designed? But Isaac unhesitatingly yielded.
This clear recognition of God's hand in the matter, and quick submission to Him, reveals a habit of reflection, and a spiritual thoughtfulness, which are the good qualities in Isaac's otherwise unsatisfactory character. Before he finished his answer to Esau, he felt he was a poor feeble creature in the hand of a true and just God, who had used even his infirmity and sin to forward righteous and gracious ends. It was his sudden recognition of the frightful way in which he had been tampering with God's will, and of the grace with which God had prevented him from accomplishing a wrong destination of the inheritance, that made Isaac tremble very exceedingly.
In this humble acceptance of the disappointment of his life's love and hope, Isaac shows us the manner in which we ought to bear the consequences of our wrong-doing. The punishment of our sin often comes through the persons with whom we have to do, unintentionally on their part, and yet we are tempted to hate them because they pain and punish us, father, mother, wife, child, or whoever else. Isaac and Esau were alike disappointed. Esau only saw the supplanter, and vowed to be revenged. Isaac saw God in the matter, and trembled. So when Shimei cursed David, and his loyal retainers would have cut off his head for so doing, David said, "Let him alone, and let him curse: it may be that the Lord hath bidden him." We can bear the pain inflicted on us by men when we see that they are merely the instruments of a divine chastisement. The persons who thwart us and make our life bitter, the persons who stand between us and our dearest hopes, the persons whom we are most disposed to speak angrily and bitterly to, are often thorns planted in our path by God to keep us on the right way.
Isaac's sin propagated itself with the rapid multiplication of all sin. Rebekah overheard what passed between Isaac and Esau, and although she might have been able to wait until by fair means Jacob received the blessing, yet when she sees Isaac actually preparing to pass Jacob by and bless Esau, her fears are so excited that she cannot any longer quietly leave the matter in God's hand, but must lend her own more skilful management. It may have crossed her mind that she was justified in forwarding what she knew to be God's purpose. She saw no other way of saving God's purpose and Jacob's rights than by her interference. The emergency might have unnerved many a woman, but Rebekah is equal to the occasion. She makes the threatened exclusion of Jacob the very means for at last finally settling the inheritance upon him. She braves the indignation of Isaac and the rage of Esau, and fearless herself, and confident of success, she soon quiets the timorous and cautious objections of Jacob. She knows that for straightforward lying and acting a part she was sure of good support in Jacob. Luther says, "Had it been me, I'd have dropped the dish." But Jacob had no such tremors--could submit his hands and face to the touch of Isaac, and repeat his lie as often as needful.