it: but we shall find a proper time to determine this question; for the extent of a city, how large it should be, and whether it should consist of more than one people, these are particulars that the politician should by no means be unacquainted
This, too, is a matter of inquiry, whether we shall say that a city is the same while it is inhabited by the same race of men, though some of them are perpetually dying, others coming into the world, as we say that a river or a fountain is the same, though the waters are continually changing; or when a revolution takes place shall we [1276b] say the men are the same, but the city is different: for if a city is a community, it is a community of citizens; but if the mode of government should alter, and become of another sort, it would seem a necessary consequence that the city is not the same; as we regard the tragic chorus as different from the comic, though it may probably consist of the same performers: thus every other community or composition is said to be different if the species of composition is different; as in music the same hands produce different harmony, as the Doric and Phrygian.
If this is true, it is evident, that when we speak of a city as being the same we refer to the government there established; and this, whether it is called by the same name or any other, or inhabited by the same men or different.
But whether or no it is right to dissolve the community when the constitution is altered is another question.
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