"The Book of Changes" occupies an extremely important position in the history of Chinese culture. Confucianism respects it as "the first of the group of scriptures", and Taoism respects it as "one of the three mysteries". Its esoteric philosophy and image-number schema of exploring the hidden and mysterious universe are also unique in the history of world culture. From the Book of Changes, philosophers can see dialectical thinking, historians can see the rise and fall of history, politicians can see strategies for governing the world, military strategists can understand the art of war, entrepreneurs can summarize business strategies, and all living beings can learn how to behave in the world. In this product, Professor Yu Dunkang reveals the wisdom contained in the "Book of Changes" in a humorous and simple way by comparing Chinese and Western cultures, combined with the reality of contemporary society, and has important implications for modern people to improve their moral cultivation, expand their careers, make correct decisions, and build harmony!