Finally, this new school contains the prophecy of the future because it has with keenest insight seized upon the problem of identity, of association, of federalism,[135] as the central problem of politics as it is the central problem of life. The force of the pluralist school is that it is not academic; it is considering a question which every thoughtful person is asking himself. We are faced to-day with a variety of group interests, with many objects demanding our enthusiasm and devotion; our duty itself shines, not a single light showing a single path, but shedding a larger radiance on a life which is most gloriously not a path at all. Shall Boston or Washington hold me, my family, my church, my union? With the complexity of interests increasing every day on the outside, inside with the power of the soul to “belong” expanding every day (the English and the French flags stir us hardly less than the American now), with the psychologists talking of pluralism and the political scientists of multiple sovereignty, with all this yet the soul of man seeks unity in obedience to his essential nature. How is this to be obtained? Social evolution is in the hands of those who can solve this problem. What is the law of politics that corresponds in importance to the law of gravitation in the physical world? It is the law of interpenetration and of multiples. I am the multiple man and the multiple man is the germ of the unified state. If I live fully I become so enriched by the manifold sides of life that I cannot be narrowed down to mere corporation or church or trade-union or any other special group. The miracle of spirit is that it can give itself utterly to all these things and yet remain unimpaired, unexhausted, undivided. I am not a serial story to be read only in the different instalments of my different groups. We do not give a part to one group and a part to another, but we give our whole to each and the whole remains for every other relation. Life escapes its classifications and this is what some of the writers on group organization do not seem to understand. This secret of the spirit is the power of the federal principle. True federation multiplies each individual. We have thought that federal government consisted of mechanical, artificial, external forms, but really it is the spirit which liveth and giveth life.