propose to reverse the study, taking Christianity as a chapter, important but separate, in the history of the Empire. If for three centuries Christianity has been gradually returning to its origin, that is, becoming purely a religion and a moral teaching, for some centuries in the ancient world it was a thing much more complicated; a government and an administration that willed not only to regulate the relations between man and God, but to govern the intellectual, social, moral, political, and economic life of the people! The historian ought to explain how this new Empire--for it was indeed a new Empire--was formed in Rome and upon its ruins: this is a problem much more intricate than at first appears.
It has been said and often repeated that the Church was in the Middle Ages in Europe the continuation of the Roman Empire, that the Pope is yet the real successor of the Emperor in Rome. In fact he carries one of the Emperor's titles, Pontifex maximus. The observation is just, but it should not make us forget that the Christian Empire, so to call it, and the Roman Empire, were between themselves as radically opposed as two forces that created the one and the other; politics and intellectuality. The diplomatists,
