1, author: Ke, Ke (about 300-200 BC), surnamed Ke, a native of Lu during the Warring States Period, an important figure of the school and a student. According to the Book of Rites, Wang Zhi said, "Yue Zheng worships four techniques and establishes four religions". His surname is occupation, and his ancestors were academic officials. Lezheng Ke was a clever student and won the trust of Mencius. During the Warring States period, Confucianism was divided into eight schools, one of which was "the Confucian who was happy and upright". It can be seen that Ke was an influential figure in the Warring States Period.

2. The Book of Learning is an ancient educational paper of China, one of the monographs of ancient laws and regulations of China (The Book of Rites of Little Dai), and the earliest book devoted to education and teaching in the history of the world. It is generally believed that this is the work of China Meng Si School at the end of the Warring States Period. According to Guo Moruo's textual research, the author is Ke. With concise words and vivid metaphors, this paper systematically and comprehensively expounds the purpose and function of education, the system, principles and methods of education and teaching, the position and function of teachers, and the relationship between teachers and students and classmates in the process of education, and systematically and comprehensively summarizes the educational experience of pre-Qin period in China.