... Physicians tell us of hectic fever, that in its beginning it is easy to cure, but hard to recognize; whereas, after a time, not having been detec… - Niccolò Machiavelli

Again, a Prince should show himself a patron of merit, and should honour those who excel in every art. He ought accordingly to encourage his subjects by enabling them to pursue their callings, whether mercantile, agricultural, or any other, in security, so that this man shall not be deterred from beautifying his possessions from the apprehension that they may be taken from him, or that other refrain from opening a trade through fear of taxes; and he should provide rewards for those who desire so to employ themselves, and for all who are disposed in any way to add to the greatness of his City or State.

Considering thus how much honor is awarded to antiquity, and how many times — letting pass infinite other examples — a fragment of an ancient statue has been bought at high price because someone wants to have it near oneself, to honor his house with it, and to be able to have it imitated by those who delight in that art, and how the latter then strive with all industry to represent it in all their works; and seeing, on the other hand, that the most virtuous works the histories show us, which have been done by ancient kingdoms and republics, by kings, captains, citizens, legislators, and others who have labored for their fatherland, are rather admired than imitated — indeed they are so much shunned by everyone in every least thing that no sign of that ancient virtue remains with us — I can do no other than marvel and grieve… From this it arises that the infinite number who read [the histories] take pleasure in hearing of the variety of accidents contained within them without thinking of imitating them, judging that imitation is not only difficult but impossible — as if heaven, sun, elements, men had varied in motion, order, and power from what they were in antiquity. Wishing, therefore, to turn men from this error, I have judged it necessary to write on all those books of Titus Livy...

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 that they feel against the ruling power.