Don't you think it's rather nice to think that we're in a book that God's writing? If I were writing a book, I might make mistakes. But God knows how to make the story end just right--in the way that's best for us." Do you really believe that, Mother?" Peter asked quietly. Yes," she said, "I do believe it--almost always--except when I'm so sad that I can't believe anything. But even when I don't believe it, I know it's true--and I try to believe it.