As we know, fortune-telling is just a popular saying, and its scientific name should be called "Pibazi" (the most popular name is known to everyone) or "Four-pillar Prediction". The theory of Pibazi comes from the theories of heavenly stems, earthly branches, yin and yang and five elements. Anyone can master this mysterious method as long as he studies, not only blind people can master them.
People often say that fortune-telling for the blind is because people who criticize the eight characters in the folk are often blind. They have many fortune-telling formulas, but they never put them down in writing. They only pass them on from mouth to heart among the blind and never tell others.
Therefore, with the passage of time, there are fewer and fewer discerning people who know the fortune-telling method, and most fortune-tellers people can see are blind.
In the past society, there was no practical arrangement for the life of the blind, and the basic living requirements of the blind were often not guaranteed, so they had to make a living on their own.
Because they can't see, they can't do a lot of work, and fortune-telling provides them with an excellent means of making a living.
First of all, at any time, human beings have a mysterious sense of fate, and they can't get rid of the fear of the god of fate, and they are eager to grasp their own future.
from the grass-roots people to the real dragon emperor.
As a result, fortune-telling came into being and lasted for a long time, which is the social and psychological basis for the long-term existence of fortune-telling industry.
It is very difficult to engage in social labor or natural science research, but the basic method of marking eight characters is much simpler and can be mastered by the blind.
Secondly, although the creation of the method of BaBaZi requires a lot of knowledge of astronomy and geography, once the theory of BaBaZi is formed, it will be much easier for future generations to master it, and it is not necessary for learners to know astronomy or geography.
It's like a designer of a TV set must be proficient in physics at first, but after the TV set is designed, ordinary workers can also produce it according to its design drawings.
For judging the eight characters, the judgment rules are fixed, and you only need to remember them once. What will change is just the method of checking the perpetual calendar, which is not difficult for the blind. Therefore, fortune-telling has become a profession handed down from generation to generation by the blind.
It can be seen that fortune-telling is not a patent for the blind, but also for people with discerning eyes. Moreover, historically, it was the discerning eyes who initiated the eight-character method and wrote books on the eight-character theory and method, and the discerning eyes played a decisive role in the development history of eight characters.