The discussion of justice is the central theme in two dialogues of Plato—The Republic and the Gorgias. The dispute between Socrates and Thrasymachus in the one and between Socrates and Callicles in the other is of such universal scope and fundamental character that it recurs again and again in the great books with little change except in the personalities and vocabularies of the disputants. It is a conflict of such polar opposites that all other differences of opinion about