A Unifying Theory of Evil
Many of us can recognize the results of evil intuitively: evil causes vast human suffering; revokes our sense of human dignity; creates an ugly, dystopian, or disharmonic world; destroys beauty and poetry; perpetuates fear, anger, distress and terror; causes torture and bloodshed. Nevertheless, there are always some people who seem to remain ignorant of its presence — or, incredibly, see specific visceral atrocities as justified and even good.