or in other words, wrote a commentary on it. On the whole, this theory has met with very little acceptance. Thus, the 四庫全書 says: 46 “The mention of the 13 chapters in the Shih Chi shows that they were in existence before the Han Chih , and that latter accretions are not to be considered part of the original work. Tu Mu’s assertion can certainly not be taken as proof.” 47