One of the chief reasons for the widespread fear of the Huns rested on their ability to travel very long distances in relatively short periods. This ability may well have been based on their use of horseshoes.
Carroll QuigleyIt is also in theory, conceivable that some universal empire some day might cover the whole globe, leaving no external "barbarians" to serve as invaders.
Carroll QuigleyA fully integrated culture would be like the dinosaurs, which had to perish because they were no longer able to adapt themselves to changes in the external environment.
Carroll QuigleyAfter years of work in both areas of study, I concluded that the social sciences were different, in many important ways, from the natural sciences, but that the same scientific methods were applicable in both areas, and, indeed, that no very useful work could be done in either area except by scientific methods.
Carroll Quigley