We're used to picturing the genealogy of a text like a family tree: one original at the base ascending like a single trunk, with copies branching off it, and copies of copies branching off them. And so on throughout the generations. We imagine an original from which all the generations of diversity spring as scribes make revisions and introduce copying errors. But the reverse seems to be the case when it comes to the origins of the Bible: the further you go back in its literary history, the less uniformity there is. Scriptural traditions are rooted, quite literally, in diversity.
Timothy Beal, The Rise and Fall of the Bible: The Unexpected History of an Accidental Book
bible, origin