As soon as men decide that all means are permitted to fight an evil, then their good becomes indistinguishable from the evil that they set out to destroy.
一旦人们认为为了对抗邪恶，一切手段都可以被允许，那么他们所谓的正义就与他们所反抗的邪恶没有区别了。

——Christopher Dawson, The Judgement of the Nations
——克里斯托弗·道森