Didn't you tell me your name?

Because people are not immortals, horses stumble and people make mistakes. Whether they are always accurate or often inaccurate depends on people's grasp and understanding of the Book of Changes.

In fact, it is completely normal that fortune-telling is sometimes not allowed. Oranges are born in Huainan and oranges are born in Huaibei. The same seed, the same life gene, may grow into completely different life forms in different environments.