It is less appealing, but morally more urgent, to understand the actions of the perpetrators. The moral danger, after all, is never that one might become a victim but that one might be a perpetrator or a bystander. It is tempting to say that a Nazi murderer is beyond the pale of understanding. ...Yet to deny a human being his human character is to render ethics impossible.To yield to this temptation, to find other people inhuman, is to take a step toward, not away from, the Nazi position. To find other people incomprehensible is to abandon the search for understanding, and thus to abandon history.

It is less appealing, but morally more urgent, to understand the actions of the perpetrators. The moral danger, after all, is never that one might become a victim but that one might be a perpetrator or a bystander. It is tempting to say that a Nazi murderer is beyond the pale of understanding. …Yet to deny a human being his human character is to render ethics impossible.To yield to this temptation, to find other people inhuman, is to take a step toward, not away from, the Nazi position. To find other people incomprehensible is to abandon the search for understanding, and thus to abandon history.