 But acquiring foreign wives meant the detachment of his children from the Abrahamic line.Despite the deception on the part of Jacob and his mother to gain Isaac's patriarchal blessing, Jacob's vocation as Isaac's legitimate heir in the continued founding of the Jewish people is reaffirmed.Elazar suggests that the Bible indicates that a bright, calculating person who, at times, is less than honest, is preferable as a founder over a bluff, impulsive one who cannot make discriminating choices.