Where all things are done according to reason and the best man in the nation rules, it is a kingdom; where more than one rule according to reason and fight, it is an aristocracy; where the government is according to desire and offices depend on money, that constitution is called a timocracy. The contraries are: to kingdom, tyranny, for kingdom does all things with the guidance of reason and tyranny nothing; to aristocracy, oligarchy, when not the best people but a few of the worst are rulers; to timocracy, democracy, when not the rich but the common folk possess the whole power.
XI. Concerning right and wrong Social Organization. - On the Gods and the Cosmos