Plato, Republic

[412a] by the proper degree of tension and relaxation of each.” “Yes, so it appears,” he said. “Then he who best blends gymnastics with music and applies them most suitably to the soul is the man whom we should most rightly pronounce to be the most perfect and harmonious musician, far rather than the one who brings the strings into unison with one another.¹” “That seems likely, Socrates,” he said. “And shall we not also need in our city, Glaucon, a permanent overseer² of this kind if its constitution is to be preserved?” [412b] “We most certainly shall.”

“Such would be the outlines of their education and breeding. For why³ should one recite the list of the dances of such citizens, their hunts and chases with hounds, their athletic contests and races? It is pretty plain that they must conform to these principles and there is no longer any difficulty in discovering them.” “There is, it may be, no difficulty,” he said. “Very well,” said I; “what, then, have we next to determine? Is it not which ones among them⁴ shall be [412c] the rulers and the ruled?” “Certainly.” “That the rulers must be the elder and the ruled the younger is obvious.” “It is.” “And that the rulers must be their best?” “This too.” “And do not the best of the farmers prove the best farmers?” “Yes.” “And in this case, since we want them to be the best of the guardians, must they not be the best guardians, the most regardful of the state?” “Yes.” “They must then to begin with be intelligent in such matters and capable, [412d] and furthermore careful⁵ of the interests of the state?” “That is so.” “But one would be most likely to be careful of that which he loved.” “Necessarily.” “And again, one would be most likely to love that whose interests he supposed to coincide with his own, and thought that when it prospered, he too would prosper and if not, the contrary.” “So it is,” he said. “Then we must pick out from the other guardians such men as to our observation appear most inclined through the entire course of their lives to be zealous to do what they think [412e] for the interest of the state, and who would be least likely to consent to do the opposite.” “That would be a suitable choice,” he said. “I think, then, we shall have to observe them at every period of life, to see if they are conservators and guardians of this conviction in their minds and never by sorcery nor by force can be brought to expel⁶ from their souls unawares this conviction that they must do what is best for the state.” “What do you mean by the 'expelling'?” he said. “I will tell you, said I; “it seems to me that the exit of a belief from the mind is either voluntary or involuntary.