The Best of Oprah's Super Soul | This Episode Was Originally Published on August 10th, 2017. Why are you really here? What is your personal purpose on earth? In an extraordinarily rare interview from his home in Switzerland, Paulo Coelho, the author of The Alchemist, one of the best-selling books of all time, answers life’s biggest questions. He teaches us about dreams, destiny and the one thing he believes will make us happy. Oprah says this about The Alchemist: “It’s the kind of book you want to share with the whole world.”