In , Michael Waldstein helps readers of Pope John Paul II's enter this masterwork with clearer understanding. Part One, designed for entry-level readers, is a map of John Paul's text, a summary of each paragraph with an explanation of the order of the argument. Part Two reflects on the breadth of reason ( ) in Plato's , Aristotle's , and the Gospel of John, in contrast to the narrowing of reason in Luther, Bacon, and Descartes. Part Three shows how this breadth of reason is at work in John Paul's dialogue with Thomas Aquinas, John of the Cross, Kant, and Scheler.