What about Haitian numerology?

Because numerology is too mysterious, and everyone has different opinions, the sects are also different, varied, each with its own strong points, blind sects, pattern sects, ups and downs sects, traditional sects, endless easy to learn, difficult to learn, profound and profound Zhouyi culture, mysterious and simple, so we should not easily learn Zhouyi, which is ever-changing, profound and not simple.