Heresy, says Tertullian, is the result of wisdom, real or assumed. He writes: “The philosophers are the fathers of the heretics.” It is computed that there have been no less than five hundred distinct heresies. Happily for us, most of them are dead and buried in Greek and Latin folios, rarely read and still more rarely understood. The East was the land of heresy. Every day saw the birth of a new one amongst a people of subtle intellect and endowed with a language wonderfully contrived to express the most delicate and phantasmal forms of belief. We laugh at the schoolmen, at their barbarous Latin and incomprehensible disputations. No one now ventures to discuss how many angels could stand upon the point of a needle, but in the early ages of the Church the Fathers wasted their lives in disputations equally windy and barren of practical result. “Greek Christianity,” writes Dean Milman, “was insatiably inquisitive, speculative. Confident in the inexhaustible copiousness and fine precision of its language, it endured no limit to its curious investigations. As each great question was settled or worn out, it was still ready to propose new ones. It began with the Divinity of Christ, still earlier perhaps with some of the gnostic cosmogonical or theophanic theories, so onward to the Trinity; it expired, or at least drew near its end, as the religion of the Roman East, discussing the Divine light on Mount Tabor.” Extinct long ago are the questions to settle which Church councils were held, fanatic monks swarmed into Constantinople by hundreds from far away—Syrian, or Arabian, or African deserts—and armies took the field. Even a vowel might stir up strife and bloodshed. The enmity of the Homoousian to the Homiousian was as bitter as that between Guelph and Ghibelline, as that of Capulet and Montague; and only the pen of a Swift could do justice to the brawls “Bred of an airy word.”