STRANGER: Are not all such sciences, no less than arithmetic and the like, subjects of pure knowledge; and is not the difference between the two classes, that the one sort has the power of judging only, and the other of ruling as well? YOUNG SOCRATES: That is evident. STRANGER: May we not very properly say, that of all knowledge, there are two divisions--one which rules, and the other which judges? YOUNG SOCRATES: I should think so. STRANGER: And when men have anything to do in common, that they should be of one mind is surely a desirable thing? YOUNG SOCRATES: Very true. STRANGER: Then while we are at unity among ourselves, we need not mind about the fancies of others? YOUNG SOCRATES: Certainly not. STRANGER: And now, in which of these divisions shall we place the king?--Is he a judge and a kind of spectator? Or shall we assign to him the art of command--for he is a ruler? YOUNG SOCRATES: The latter, clearly. STRANGER: Then we must see whether there is any mark of division in the art of command too. I am inclined to think that there is a distinction similar to that of manufacturer and retail dealer, which parts off the king from the herald. YOUNG SOCRATES: How is this? STRANGER: Why, does not the retailer receive and sell over again the productions of others, which have been sold before? YOUNG SOCRATES: Certainly he does. STRANGER: And is not the herald under command, and does he not receive orders, and in his turn give them to others? YOUNG SOCRATES: Very true. STRANGER: Then shall we mingle the kingly art in the same class with the art of the herald, the interpreter, the boatswain, the prophet, and the numerous kindred arts which exercise command; or, as in the preceding comparison we spoke of manufacturers, or sellers for themselves, and of retailers,--seeing, too, that the class of supreme rulers, or rulers for themselves, is almost nameless--shall we make a word following the same analogy, and refer kings to a supreme or ruling-for-self science, leaving the rest to receive a name from some one else? For we are seeking the ruler; and our enquiry is not concerned with him who is not a ruler. YOUNG SOCRATES: Very good. STRANGER: Thus a very fair distinction has been attained between the man who gives his own commands, and him who gives another's. And now let us see if the supreme power allows of any further division. YOUNG SOCRATES: By all means. STRANGER: I think that it does; and please to assist me in making the division. YOUNG SOCRATES: At what point? STRANGER: May not all rulers be supposed to command for the sake of producing something? YOUNG SOCRATES: Certainly. STRANGER: Nor is there any difficulty in dividing the things produced into two classes. YOUNG SOCRATES: How would you divide them? STRANGER: Of the whole class, some have life and some are without life. YOUNG SOCRATES: True.