他在序言中说明，自己的研究并非盲目祖述前人，而是在继承基础上提出新见解。
In his preface, he explains that his research does not blindly follow his predecessors, but develops new ideas on the foundation of their work.
In his preface, he explains that his research does not blindly follow his predecessors, but develops new ideas on the foundation of their work.