What's the Difference Between the Old and the New Self Help Books?

stephen covey was a christian, i'm guessing, probably so. He read all thee old books about how to have a better life. And as he read more and more of them, stephen covey realized, ah, wait, there's something similar about all these books,. A kind of deeper philosophy, or a deeper idea that's similar in all of them. In the modern books, most of the modern books about self help and improvement and success, they also share a similar idea or philosophy that's different, different than the old ones. That's what makes the old, old books so much more powerful and effective and better, and the newer ones less effective, not