reason, therefore, such guards are as useless as a colony is useful.
Again, the prince who holds a country differing in the above respects ought to make himself the head and defender of his less powerful neighbours, and to weaken the more powerful amongst them, taking care that no foreigner as powerful as himself shall, by any accident, get a footing there; for it will always happen that such a one will be introduced by those who are discontented, either through excess of ambition or through fear, as one has seen already. The Romans were brought into Greece by the Ætolians; and in every other country where they obtained a footing they were brought in by the inhabitants. And the usual course of affairs is that, as soon as a powerful foreigner enters a country, all the subject states are drawn to him, moved by the hatred which they feel against the ruling power. So that in respect to these subject states he has not to take any trouble to gain them over to himself, for the whole of them quickly rally to the state which he has acquired there. He has only to take care that they do not get hold of too much power and too much authority, and then with his own forces, and with their goodwill, he can easily keep down the more powerful of them, so as to remain entirely master in the country. And he who does not properly manage this business will soon lose
