From the book: "" What is a conversion? The question is like asking, 'What is falling in love?' There is no standard procedure, no fixed time. No Damascus Road experience has been vouchsafed me; I have just stumbled on, like Bunyan's Pilgrim, falling into the Slough of Despond, locked up in Doubting Castle, terrified at passing through the Valley of the Shadow of Death; from time to time, by God's mercy, relieved of my burden of sin, but only, alas,...