I'm simply here to tell you why I believe he is uniquely qualified to write these pages and to tell these stories, and to be the one to explain the difference between happy and unhappy people. Before he ever learned the secret, before he ever sat down to type out the first lines of this book, he was already living it out. And for so many people who have had the honor to know him throughout his life, myself most definitely included, that has made all the difference. - Shylie Carrick Sagar, the author's daughter