But there is a government of another sort, in which men govern those who are their equals in rank, and freemen, which we call a political government, in which men learn to command by first submitting to obey, as a good general of horse, or a commander-in-chief, must acquire a knowledge of their duty by having been long under the command of another, and the like in every appointment in the army: for well is it said, no one knows how to command who has not himself been under command of another.
The virtues of those are indeed different, but a good citizen must necessarily be endowed with them; he ought also to know in what manner freemen ought to govern, as well as be governed: and this, too, is the duty of a good man.
And if the temperance and justice of him who commands is different from his who, though a freeman, is under command, it is evident that the virtues of a good citizen cannot be the same as justice, for instance but must be of a different species in