《黄帝内经·素问·徵四失论》
还是对众人的学说缺乏分析呢？经脉有十二，络脉有三百六十五，这是人们所知道的，也是医生所遵循应用的。
夫经脉十二，络脉三百六十五，此皆人之所明知，工之所循用也。
The reason why the treatment cannot achieve complete results is that the mind cannot be concentrated, the will is not methodical, and the external pulse symptoms and the internal condition cannot be analyzed together, so doubts and dangers often occur.