Book 5
1309a
There are some three qualities which those who are to hold the supreme magistracies ought to possess, first, loyalty to the established constitution, next, very great capacity to do the duties of the office, and third, virtue and justice—in each constitution the sort of justice suited to the constitution (for if the rules of justice are not the same under all constitutions, it follows that there must be differences in the nature of justice also). It is a difficult question how the choice ought to be made when it happens that all these qualities are not found in the same person;
