PAST, PRESENT, AND FUTURE 449 The barbarians, while they destroyed much that was unten- able in the older civilisation, also invigorated Europe with fresh blood and ideas. Amidst the ' encircling gloom' of the Dark Ages * The City of God * not merely endured but also tamed and humanised the savages. The Moors, Aristotle, Latin, tihe See of St. Peter, and the monastic orders, pre- vented Europe from lapsing into utter barbarism; while feudalism, the Knight-errantry of the Crusades, the medieval gilds, and the widespread trade and intercourse proved the veritable seeds of Europe's liberation from the shackles of the past. Both the spirit of localism bred by the manor and the gild, as well as the universalism of the Church and commerce, were to yield place to the larger parochialism of nation-states and the greater unity of our modem inter- dependent world. Dynasticism was the parent of the former and Renaissance the harbinger of the latter. Indeed, as we remarked before, the Present is the child of the Past and the parent of the Future. Dynastic monarchism, the product and preserver of the Old Order, could not preserve itsdf from the products of the New Order. Both the Pope and the Potentates, the erstwhile rivals for ascendancy in medieval Europe, found new rivals in the Protestant movements and the rise of the democratic spirit. There was a dual revolt: one against the autocracy of the medieval Church, the other against the autocracy of the equally medieval-minded monarchy. The ferment that heralded the birth of our new world, however, has remain- ed with us as a permanent invigorating (or is it inebriat- ing?) dement to leaven modem life. Many things have gone into its brew, out of which we may single out only a few of the most important ingredients. In brief, the spirit of exploration and discovery, the spirit of experimentalism and earnest enquiry, unfettered by tradition or authority,