由于“中”“庸”两词语义上的模糊性,其哲学含义颇为复杂。从郑玄到二程、吕祖谦,尤其是朱熹,都对“中庸”进行了解释,现代学者对《中庸》书名的释义更是多种多样。对于《中庸》的时代以及与子思的关系问题,中国历代学者以及西方的汉学家都提出了不同的观点,至今仍然莫衷一是。
Due to the semantic vagueness of these two characters, the philosophical implication of Yong and Zhong is complicated. From Zheng Xuan, Cheng brothers, Lv Zuqian and Zhu Xi to Western Sinologists, various scholars have interpreted the title of the book The Doctrine Of The Mean. Although a large number of arguments have emerged, the precise origin and the authorship of the book is still a mystery.