Yin and Yang refer to the state of the unity of opposites in all things in the world. The five elements refer to the changing laws of things that come and go and are mutually reinforcing and interfering with each other. The ultimate significance of the Yi Jing is to explore the changing laws of all things in the universe and guide life from a macro perspective. Problems, solve problems with holistic thinking, and advance with the times to solve various confusions and problems faced in life.
The Yi Jing is known as the first of the group of scriptures. It is said to be created by Fuxi, the ancestor of mankind, based on the eight natural phenomena of heaven, earth, wind, thunder, water, fire, mountain and lake. After King Wen of Zhou deduced the Bagua into sixty-four hexagrams, and Confucius passed down the sixty-four hexagrams, it was passed down to later generations. The Zhouyi we see today is the crystallization of the wisdom of the creation and development of these three saints. The I Ching's The iconic figure is the figure of yin and yang embracing each other, which represents the two characteristics of everything in the universe. Yang represents the external, expanding, moving, and bright side, and yin represents the introverted, contracting, static, and dark side. , but yin and yang are not absolute, but transform into each other according to different situations, and the changes are endless. The symbol yin and yang diagram of the I Ching represents that yin and yang complement each other and transform into each other. There is yang in yin, and there is yin in yang. .
The strict meaning of the Five Elements does not belong to the content of the Book of Changes. It is just a law of change further deduced in the ideological system of the Book of Changes. The various material elements in nature are divided into the five properties of gold, wood, water, fire, and earth. These five substances are mutually reinforcing and interfering, and they complement each other according to the laws of their mutual interdependence. The theory of the Five Elements Theory is still affecting people's lives today. Some parents ask for the eight characters to be used when naming their children, which is the Five Elements Theory used.
The I Ching is so profound that many people can only glimpse it and it is difficult to truly understand it. Some folk magicians use the I Ching to tell fortunes, while people who are familiar with the I Ching mostly regard the I Ching as a kind of fortune-telling. Philosophical wisdom is used to improve one's mind, vision and wisdom. When people truly have the wisdom to grasp the changing laws of things, they will be able to control their own destiny to a greater extent. This is what the saying "He who is good at change cannot predict" means.