From all of this it follows that our skeptic is either someone who knows not what justice is, who needs to be taught before he can produce real doubts about concrete cases, or, as is more likely, someone who trades in false doubt, who has grasped the concept well enough to be expected to be expected to know that there can be no uncertainty in these particular cases. IN that event, he is also someone who can be expected to know that warranted uncertainty about other cases requires confidence here. He can’t real doubts about the justice of particular actions or real disputes about basic application of the term without having first acquired the concept, and he cannot acquire and deploy the concept without leaving certain judgments about the just and unjust beyond dispute, at least for now. However we diagnose his condition or interpret his remarks, he deserves no theoretical effort in reply.