This book is divided into eight chapters, the main contents include: a beautiful heart, everything is beautiful; there is no unhappy thing, only an unhappy heart; keep your head up and do everything with all your heart; don't be tempted for profit, walk slowly according to your ability; don't get entangled Don't worry about the future in the past; follow the fate is at ease, peace of mind is the home; endure humiliation to become a great weapon; the hardships you have suffered will become the way of the future.