John Paul II's teachings are notable not only for their abundance, but also for their continuity with church tradition, particularly with that of Vatican II. As a bishop, he actively participated in the Second Vatican Council from its first day to its last. At the time of the council, he was relatively young. In his book, crossing the Threshold of Hope, John Paul II commented that he learned more than he contributed at the council, although, toward the end of it, he found himself involved heavily with the preparations of the Thirteenth Schema, which eventually became ...