Under the consuls M. Fabius and Cn. Manlius, the Romans had a memorable victory in a battle fought with the Veientines and the Etruscans, in which Q. Fabius, brother of the consul, who had himself been consul the year before, was slain. This event may lead us to remark how well the methods followed by the city of Rome were suited to increase her power, and how great a mistake is made by other republics in departing from them. For, eager as the Romans were in the pursuit of glory, they never esteemed it a dishonour to obey one whom before they had commanded, or to find themselves serving in the ranks of an army which once they had led. This usage, however, is opposed to the ideas, the rules, and the practice which prevail at the present day, as, for instance, in Venice, where the notion still obtains that a citizen who has filled a great office should be ashamed to accept a less; and where the State itself permits him to decline it. This course, assuming it to lend lustre to individual citizens, is plainly to the disadvantage of the community, which has reason to hope more from, and to trust more to, the citizen who descends from a high office to fill a lower, than him who rises from a low office to fill a high one; for in the latter no confidence can reasonably be placed, unless he be seen to have others about him of such credit and worth that it may be hoped their wise counsels and influence will correct his inexperience. But had the usage which prevails in Venice and in other modern commonwealths and kingdoms, prevailed in Rome whereby he who had once been consul was never afterwards to go with the army except as consul, numberless results must have followed detrimental to the free institutions of that city; as well from the mistakes which the inexperience of new men would have occasioned, as because from their ambition having a freer course, and from their having none near them in whose presence they might fear to do amiss, they would have grown less scrupulous; and in this way the public service must have suffered grave harm. CHAPTER XXXVII.—_Of the Mischief bred in Rome by the Agrarian Law: and how it is a great source of disorder in a Commonwealth to pass a Law opposed to ancient Usage and with stringent retrospective Effect._