“You cannot qualify war in harsher terms than I will,” he told them as he rejected their pleas to be spared. “War is cruelty, and you cannot refine it; and those who brought war into our country deserve all the curses and maledictions a people can pour out.” When someone categorizes something evil, as Sherman did, as Peter and Mr. A repeatedly did, he implicitly gives himself permission to do what needs to be done to destroy it.