《黄帝内经·灵枢·禁服》
我担心长此以往，九针这一学术内容就会流散，子孙后代就不能继承下来，因此我想向您请教如何把它概括起来呢？
细子恐其散于后世，绝于子孙，敢问约之奈何？
I am afraid that after a long time, the knowledge of the Nine Needles will be lost, and our descendants will not be able to inherit it, so I want to ask for your advice on how to summarize it?