By Niccolo Machiavelli

From Chapter 1: The people who inhabit the northern parts beyond the Rhine and the Danube, living in a healthy and prolific region, frequently increase to such vast multitudes, that part of them are compelled to abandon their native soil, and seek a habitation in other countries. The method adopted, when one of these provinces had to be relieved of its superabundant population, was to divide into three parts, each containing an equal number of nobles and of people, of rich and of poor. The third upon whom the lot fell, then went in search of new abodes, leaving the remaining two-thirds in possession of their native country. These migrating masses destroyed the Roman empire by the facilities for settlement which the country offered when the emperors abandoned Rome, the ancient seat of their dominion, and fixed their residence at Constantinople…..

London. M. Walter Dunne. 1901.