But did it stop with the diocese? Was the bishop independent in the exercise of his powers? In the first place, he exercised them all within a certain district. He had no power to encroach upon the district of a neighbouring bishop, nor to execute therein functions which were perfectly lawful and usual in his own. It is plain that had he possessed any such power, the whole system established would not have made one kingdom of Christ, but would have been a congeries of similar governments, not tied together but agitated by perpetual rivalries. Nothing could be more unlike the actual system of government as disclosed by the bearing of the Church of Rome to that of Corinth in the letter of St. Clement, or to that orderly division into provinces which is seen in its full development at the Nicene Council. We may conclude that the tie which held the bishops together was at least as strict and as defined as that which formed the unity of the particular diocese. We now behold that marvellous spiritual fabric of which St. Chrysostom and St. Augustine, at the head of the Fathers of the fourth century, spoke with such affection, acknowledging that its existence was to them an absolute proof of the Godhead of its Founder. It was not its material extension alone, but its inmost nature and character which moved them thus. It was the evolution of the one indivisible power in its threefold direction of Priesthood, Teaching, and Jurisdiction. It was that the one episcopate tied together in a hierarchy of several thousand bishops was but the outward regimen of an inward polity in which the One Sacrifice is offered, and the one Body of Christ communicated by the work of the one Priesthood, which lives upon and dispenses one doctrine, proclaiming it from age to age to the whole earth.