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 of the Council. The second was the insidious undermining of the doctrinal authority of the Holy See, which for two hundred years had embarrassed the teaching of the Church, not only in controversy with adversaries without, but often in the guidance of some of its own members within the fold. The definition of the Infallible Magisterium of the Roman Pontiff has closed this period of contention The Divine certitude of the Supernatural Order completes the twofold infallibility of the knowledge of God in the natural and supernatural revelation of Himself. This was the work of the Vatican Council in its one memorable Session, in which the Councils of the Church, and especially the Councils of Florence and of Trent, culminated in defining the certitude of faith.

Scheeben has fully and luminously exhibited the mind of the Vatican Council in his First and Second Books.

HENRY EDWARD, Cardinal Archbishop.