"There's a particular kind of explanation that works especially well in enforcing discipline. When the Oliners examined the guidance of the Holocaust rescuers' parents, they found that they tended to give "explanations of why behaviors are inappropriate, often with reference to their consequences for others." While the bystanders' parents focused on enforcing compliance with rules for their own sake, the rescuers' parents encouraged their children to consider the impact of their actions on others.*"