Dr. Michael Barber explains why Catholics know which books belong in the Bible.
Michael Barber is the Professor of Theology, Scripture and Catholic Thought at John Paul the Great Catholic University. He has his Ph.D. in Theology from Fuller Theological Seminary in Pasadena, California. His dissertation was on the Historical Jesus...
"It is the peculiarity of progress for a thing to be developed in itself; and the peculiarity of change, for a thing to be altered from what it was into something else."
~ Vincent of Lerins, Saint, noting the essential difference between development and alteration of the deposit of faith, over 1,000 years before Protestantism radically altered the face of Christianity. (Commonitorium, I, 23; see P.L., L). (see "Science and the Church")