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 XLII. * * * can be said. Then Lælius said: I now see the sort of politician you require, on whom you would impose the office and task of government, which is what I wished to understand. He must be an almost unique specimen, said Africanus, for the task which I set him comprises all others. He must never cease from cultivating and studying himself, that he may excite others to imitate him, and become, through the splendor of his talents and enterprises, a living mirror to his countrymen. For as in flutes and harps, and in all vocal performances, a certain unison and harmony must be preserved amidst the distinctive tones, which cannot be broken or violated without offending experienced ears; and as this concord and delicious harmony is produced by the exact gradation and modulation of dissimilar notes; even so, by means of the just apportionment of the highest, middle, and lower classes, the State is maintained in concord and peace by the harmonic subordination of its discordant elements: and thus, that which is by musicians called harmony in song answers and corresponds to what we call concord in the State—concord, the strongest and loveliest bond of security in every commonwealth, being always accompanied by justice and equity.

XLIII. And after this, when Scipio had discussed with considerable breadth of principle and felicity of illustration the great advantage that justice is to a state, and the great injury which would arise if it were