What does metaphysics want to learn from the master?

You can teach yourself. Metaphysics is commonly called "Yin and Yang" here. As the saying goes, "A scholar learns to laugh with yin and yang". Metaphysics general high school education, familiar with Chinese language is no problem. First of all, we should learn Yin and Yang, Five Elements, Eight Diagrams, heavenly stems and earthly branches, festivals and so on. Then, we should learn Zhouyi Xiangshu, astrology, Wei Zi's Complete Works, Yuan Hai Zi Ping, Three Tong Ming Hui, Authentic Divination, Add and Subtract Divination and Wei Zi's Divination. Hehe, as long as you are familiar with half, you can become a master. You can try if you don't believe me, but you must stick to it!