Isaac's alarm was caused by his seeing hell at the feet of Esau. Scarcely had he entered the house when the walls thereof began to get hot on account of the nearness of hell, which he brought along with him. Isaac could not but exclaim, "Who will be burnt down yonder, I or my son Jacob?" and the Lord answered him, "Neither thou nor Jacob, but the hunter."
Isaac told Esau that the meat set before him by Jacob had had marvellous qualities. Any savor that one desired it possessed, it was even endowed with the taste of the food that God will grant the pious in the world to come. "I know not," he said, "what the meat was. But I had only to wish for bread, and it tasted like bread, or fish, or locusts, or flesh of animals, in short, it had the taste of any dainty one could wish for." When Esau heard the word "flesh," he began to weep, and he said: "To me Jacob gave no more than a dish of lentils, and in payment for it he took my birthright. What must he have taken from thee for flesh of animals?" Hitherto Isaac had been in great anguish on account of the thought that he had committed a wrong in giving his blessing to his younger son instead of the firstborn, to whom it belonged by law and custom. But when he heard that Jacob had acquired the birthright from Esau, he said, "I gave my blessing to the right one!"