Many people associate superstition with the Book of Changes, which is wrong.
In other words, he is the theoretical basis of ancient science.
For example, Chinese medicine, divination, fortune telling, martial arts, temperament, philosophy, Confucianism, Taoism, astronomy, calendar, geography, philosophy and many other disciplines are all branches of its evolution.
In other words, fortune telling is just a branch of him.
In other words, the eight characters (called four pillars) in the branch of Yijing and numerology are just a small branch of Yijing.
The origin of eight characters is actually four time periods (that is, four pillars), and each time period has a branch word, that is, two words in each time period, and four time periods are eight words, commonly known as eight characters.
He is an artistic mathematics based on numerology.