582 POLITICAL SCIENCE. ruin is by bringing the danger of it before the eyes of the well- affected citizens. Sometimes even fears ought to be awakened, in order that men may be vigilant and not relax their guard over the constitution, like watchmen in the night The quarrels, also, of the better classes must be looked into, and others who have stood aside from strife be prevented from taking a part. (u. s., §§ I-5-) Sometimes a political change from an oligarchy or a repub- lic to democracy arises because the valuations of property, on which political capacity is founded, remain the same, while money has become more plentiful. To prevent a change due to this cause, the valuation of property ought to be revised within short intervals, so that the lowest valuation according to which political privilege is given may vary with the value of money and the increase or diminution of individual posses- sions. Otherwise, where the lowest valuation cuts off a great number, an oligarchy will be likely to take the place of a republic, and a dynasty the place of an oligarchy ; and in the reverse case a democracy will succeed to a republic, and a republic or a democracy to an oligarchy, (u. s., §§ 6, 7.) In all these forms of polity, the attempt should be to give trifling but lasting honors or functions, rather than short and important ones, for power corrupts, and all are not able to bear prosperity. Especially should the aim be by means of the law to prevent any one in the state from becoming very prominent in wealth or number of friends ; or, if this cannot be, to take care that they be relegated into foreign parts,* Those who live in a way inconsistently with the polity ought to be under the police inspection of a magistracy having this for an object, since it is owing to the habits of individuals that innovations creep into a community. The advancement of a state in prosperity ought to be ever kept in view, and the men of different conditions, as the rich and poor, the well- * (§ 8.) For the words, airo^^riKa^ Troiaor&u ras Trapcwrracras aww, which are variously explained — generally by being banished, or being sent either into banishment or on legations — see the notes in Schnei- der' s'ed., ad. loc., and comp. Stallb. on Plat, de leg,, ix. 855, c.