[original] all the organs and twelve channels of water have their own internal and external sources, which are connected with each other. If there is no ring, so is the human channel. Therefore, the sky is Yang, the earth is Yin, the sky is above the waist, and the earth is below the waist. Therefore, the north of the sea is the Yin, the north of the lake is the Yin in the Yin; the south of Zhang ...

Emperor Huang said, "I can hear it faster than my ears, I can't understand it in my heart, and I'd like to hear it.". Qi Bo replied: the reason why this man should participate in heaven and earth should be Yin and Yang, can not be ignored. [explanation] Huang Di said: I sound very clear about the reasons you said, but I still can't understand them in my heart. I hope I can t...