Isaac responds, ‘Who are you?’ The son answers, ‘I am Esau, your firstborn.’ Then Isaac inquires, ‘Who is this that has hunted game for me, brought it to me, and fulfilled all my wishes before you arrived? I blessed him, and indeed he shall be blessed.’ He appeared to be angry. Esau anticipated a curse directed at his brother, yet instead, Isaac reaffirmed the original blessing. Isaac understood the profound mystery, and his physical blindness represented the spiritual blindness of the Jews. Nevertheless, with the vision of his heart, he perceived the depth of the unfolding mystery.