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According to "History of Hong Fan", Ji Zi told King Wu that "Heaven is the nine realms of Xi Yu Hong Fan" and the nine realms "took seven days". "You have great doubts that you are a heart, a noble, a Shu Ren and a divination method. You are obedient, the tortoise is obedient, the deaf is obedient, the nobles are obedient, and the people are obedient. This is called Datong. He is healthy and strong, and his descendants are lucky. You are obedient, turtle is obedient, obedient, rebellious, rebellious and auspicious. Qing Shi Shun, Gui Shun, Jun inverse, Shu Ren inverse, auspicious. Ordinary people follow, turtles follow, call names, you are rebellious, rebellious and auspicious in history. You are obedient, the tortoise is obedient, you rebel, the nobles rebel, and the people rebel. " In other words, there are five opinions involved in decision-making, and divination and divination are two of them.

Divination book

There are three principles in ancient divination military affairs: first, divination before divination. The ancients thought that things were like before counting, and turtles were like before counting. When divining, you should first do a divination with yarrow. If you are lucky, you don't need divination. Bad luck requires re-divination. Second, divination is not three. The ancients divined for good luck, but sometimes a divination can't get a good omen. If you don't get a good omen, you can't do it again. If you don't get a good omen after three divinations, you can't do it for the fourth time. The ancients thought. Even if you get a good sign for the fourth time, it's no use. Therefore, under normal circumstances, if three predictions are not auspicious, the things to be done will be put on hold until an auspicious day is chosen. This is called "Bu but not San". Later generations often say that things are no more than three, which comes from the voice of "swearing no more than three". On the right, divination does not attack each other. Divination is divination first, then divination. If divination is unlucky, you can do it again. If divination is unlucky, you can't do it again. The ancients thought that divination was like an elephant, and divination was numerous. Things can only be counted if they have images, but they can't be counted down. Therefore, even if you are unlucky, you can predict it again, but you can't ruin it.