This book is a diary written by Mr. Xu Yuanchong during his study at the National Southwest Associated University (1938–1943), which describes the trajectory of his early years of learning from teachers, reading and making friends, and even the growth of his thoughts, and is the only publicly published diary of a student of the National Southwest Associated University, which is of invaluable historical value. The diary is rich in detail, covering many aspects such as taking exams in class, reading and thinking, joining the army, making friends and falling in love, as well as his interactions with teachers and fellow students such as Zhu Ziqing, Wen Yiduo, Feng Youlan, Qian Zhongshu, Wu Mi, and Yang Zhenning, which comprehensively shows the youthful life of the great translator and his spiritual world. The book gives a glimpse into the teaching style and historical charm of the legendary university.