In this book, popular self-help motivational books writer Dale Carnegie has shared his personal experiences, wherein he was mostly unsatisfied and worried about lot of life situations. But with time he changed his perspective of looking at things and opted positive thinking in his life. In his book, he has told the readers about different ways that can lead them to happier and stress-free life.With a set of practical formulas, the book teaches you certain life lessons to make your present and future happier than ever. It is divided into few sections such as how to eliminate fifty-percent of business worries immediately, avoid fatigue and keep looking young, reduce financial worries, add one hour a day to your waking life and find and be one's own self.