There’s a whole bunch written about the Secret – some of it good and some written by people who haven’t read the book or seen the movie.
Just to make things very straight. The Secret is not about wishful thinking. It’s about being clear about what you want and going for it. As such, it’s not new thinking. Think and Grow Rich was written in 1937. Dale Carnege, born in 1888, said much the same; and Henry Ford said, “If you think you can or you think you can’t – you’re right”