Page:Diplomacy and the Study of International Relations (1919).djvu/201

 Individuals and from those of other Communities. Therefore, in all centuries of the Middle Age Christendom, which in destiny is identical with Mankind, is set before us as a single, universal Community, founded and governed by God Himself Mankind is one "mystical body"; it is one single and internally connected "people" or "folk"; it is an all-embracing corporation (universitas), which constitutes that Universal Realm, spiritual and temporal, which may be called the Universal Church (ecclesia universalis), or, with equal propriety, the Commonwealth of the Human Race (respublica generis humani). Therefore that it may attain its one purpose, it needs One Law (lex) and One Government (unicus principatus).'

'Le moyen âge fournit un beau chapitre à l'intéressant sujet de l'idéal de la paix dans histoire.'

3. Projects of Perpetual Peace (Modern). The best-known are those of the Abbé de Saint-Pierre, Rousseau, Bentham, and Kant.

The Abbé de Saint-Pierre's Projet de Paix perpétuelle was