Development of the Old Testament canon "Apocrypha" ("hidden"). To counter Luther's "heresy", the fourth session of the Catholic Council of Trent in 1546 confirmed that the deuterocanonical books were equally authoritative as the protocanonical in the Canon of Trent in the year Luther died. Following Jerome's "Veritas Hebraica" (truth of the Hebrew) principle, the Protestant Old Testament consists of the same books as the Hebrew Bible, but the order and division of the books are different. Protestants number the Old Testament books at 39, while the Hebrew Bible numbers the same books as 24. The Hebrew Bible counts Samuel, Kings, and Chronicles as one book each,
People of the Book not with the left hand." If two men are walking and one who is carrying a sacred books should be given the courtesy of entering and leaving the room first, as the second is enjoined to pursue knowledge." Rabbi David ibn Zimra of the 16th century comments that "if one buys a new book he should recite the benediction of the She-Heheyanu." In the early Christian experience the New Testament was added to the whole Old Testament, which after Jerome's translation tended more and more to be bound up as a single volume, and was accepted as a unified "locus"