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1. 'The true interest of everything is to conform to its own constitution and nature; and my nature owns reason and social obligation. Socially, as Antoninus, I have for my city and country Rome; as a man, the world.'

2. The mediaeval ideal —of the sacerdotium, as of Pope Hildebrand; of the imperium, as of Frederick Barbarossa; of the studium, in the thought of Aquinas, on one side, as well as in the thought of Dante, on the other side—is the unity and concord of the Christian Commonwealth, whether a