Where is the source of fortune telling _ where is the most accurate source of fortune telling?

Does eight-character fortune-telling originate from Zhouyi? Do all China's fortune-telling methods originate from Zhouyi? Do we have to use scripture?

Since Homo sapiens appeared in history, people have discussed various natural phenomena. I also accumulated experience. Later, in the long river of history, there were words slowly, but the activities of understanding and mastering nature never stopped. It was not until the Zhou Dynasty summed up and sorted out various forecasting experiences, formed a set of systematic theories and formed the Book of Changes. Before the Book of Changes, there were actually many kinds.

It's just that the Book of Changes was approved by the rulers. Fortune-telling, using scripture is just to add mystery. In fact, fortune telling, arranging eight characters, analyzing five elements, choosing auspicious days, getting married, etc. are all dialectical idealism, and their advantages are dialectical, not static. Because you told the truth and solved the mystery.