“Mortals not only overestimate our ability to resist temptation, we also tend to miscalculate the amount of temptation we can handle. Homer was onto it: Odysseus put wax in his shipmate’s ears and had himself tied to the ship’s mast before being exposed to the Sirens’ song. But humans today may need a sociological study to understand that our abilities to control impulses are not what we think they are.”