II.
It is one of the commonplaces of the economic school that the economic motive is the main factor which makes for peace or war, that material interests only count, and that ideas do not matter. It is one of the shallow illusions of the pseudo-rationalist school that the age of religious wars is passed for ever. As a matter of fact, this war is as much a religious war as any crusade that was ever waged. The only difference between the religious war of to-day and the religious wars of yesterday is that in the past dogmas were promulgated by priests and saints in the name of Theology. The dogmas of to-day are promulgated in the name of Science by the high-priests of Universities and Academies. A few mystical Greek words, such as homousios and homoiousios, were the watchwords of the crusades of old. A few equally mystical Greek words, brachycephalic and dolichocephalic, are the watchwords of the crusades of to-day.