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See also the various works listed as related texts on the posts “Online text: “The Crisis of Faith and the Crisis of the Church”, by Dr. Ralph Weimann“, “Worth-it book: “A Church in Crisis: Pathways Forward”, by Dr. Ralph Martin“, and “Online text: “On the Sacramental Meaning of Tradition”, by Prof. José Granados“, and “Worth-it book: “Christ’s Triumph Over the Darkness of the Age”, by Bishop Athanasius Schneider“.
On the Memorial of Blessed Rabanus Maurus. For other texts and ebooks, you may access the List of Free eBooks (Arranged by Title), the List of Free eBooks (Grouped by Subject), the List of Worth-It Catholic Books & eBooks, and the main page of the Catholic eBooks Project.
“But though we, or an Angel from heaven, preach a gospel to you besides that which we have preached to you, let him be anathema… For I give you to understand, brethren, that the gospel which was preached by me is not according to man… but by the revelation of Jesus Christ.” (Galatians i, 8, 11-12)
“[K]eep that which is committed to thy trust, avoiding the profane novelties of words and oppositions of knowledge falsely so called. Which some promising, have erred concerning the faith.” (I Timothy vi, 20-21)
“What Jesus Christ was yesterday, and is to-day, he remains for ever. Do not be carried aside from your course by a maze of new doctrines” (Hebrews xiii, 8-9)
“Dearly beloved, taking all care to write to you concerning your common salvation, I was under a necessity to write to you: to beseech you to contend earnestly for the faith once delivered to the saints.” (St. Jude i, 3)