We have had examples of heresy at work attacking the root of the Faith, the Incarnation, and specializing upon that of which Arianism was the great example. The schisms are as much attacks upon the life of the Catholic Church as are the heresies; the greatest schism of all, the Greek or Orthodox, which has produced the Greek or Orthodox communion, is manifestly a disruption of our strength We have had the growth of the foreign body from within, the Albigenses, and all their Manichean kindred before and after them. We have had the attack on the personality that is the unity, of the Church which is Protestantism. The Protestant attack differed from the rest especially in this characteristic that its attack did not consist in the promulgation of a new doctrine or of a new authority, that it made no concerted attempt at creating a counter-Church, but had for its principle the denial of unity. And we now behold, even as Protestantism is dying, the rise and growth of y
