In Jewish tradition, it is said that persons have conflicting good and evil inclinations. As for the former, it results in marriage, birthing children, erecting a house, or engaging in work. As for the latter, it manifests itself in such traits as avarice, anger, and retribution. This dual inclination is graphically portrayed by an angel on one shoulder, and a demon on the other. Humans are left to choose between the two, as to which will serve as...