ly was a religious idea which, for want of a better term, may be called Super-Monotheism. Often found rooted in wandering peoples and apt long to survive their nomadic phase, it consists in a belief that, however many tribal and local gods there may be, one paramount deity exists who is not only singular and indivisible but dwells in one spot, alone on earth. His dwelling may be changed by a movement of his people en masse, but by nothing less; and he can have no real rival in supreme power. The fact that the paramount Father-God of the Semites came through that migration en masse to take up his residence in Babylon and in no other city of the wide lands newly occupied, caused this city to retain for many centuries, despite social and political changes, a predominant position not unlike that to be held by Holy Rome from the Dark Ages to modern times.
Secondly the Arabs brought with them their immemorial instinct of restlessness. This habit also is apt to persist in a settled society, find