In the past eight years, I have browsed Chinese and foreign books in the library of the Institute of Philosophy of the Chinese Academy of Social Sciences, and gained a lot, including historical materials directly related to Zhang and James. For example, I borrowed a book by Wu Kang (word perception, English name SolvistoK). Wu; ; During the Republic of China, Wu Kang, who studied philosophy, was not alone. The book Principles of Psychology (Attached: Educational Psychology) (Shanghai: Commercial Press, 10 first edition, 10 year) found that there was a written preface (written in 10 September, 10 year) in front of the book, saying: ". I knew Wu Jun at the end of Guangxu in Qing Dynasty. When I was in Japan, I suddenly came to him with a book and asked him how to learn Buddhism. Yu said that learning Buddhism is not like learning philosophy. This is the beginning of our relationship. I know that Wu Jun is very interested in exploring the origin of ontology and life problems. Naturally, I can talk endlessly every time I meet, and I will be a pleasure for the rest of my life. I read The Principles of Psychology by James Gomez (the American philosopher william james) and sighed as a contemporary. Try to tell Wu Jun that Wu Jun was overjoyed and went straight to Harvard University with the book. A few days later, Gamoso came with a book, earnestly taught, and the paper was tired. Naturally, Wu Jun often answers these letters with Gams. Gams also showed photos and works. What Wu Jun often regrets is the year when he went to the United States and the year when Zheng died. After Wu Jun came back, he coached Nangao. It is a revised version of the book, which is its handout. " The specific date of James' death was 19 10, and Wu Kang arrived in the United States after that. After receiving a master's degree from Harvard University, Wu Kang returned to China to teach psychology at Nanjing Southeast Normal School. His original English version of Principles of Psychology is "Revelation Memory for Dear william james", which is translated as "In Memory of Dear James". After I got the book "Principles of Psychology" from the Institute of Philosophy, I found that the places where I posted my schoolbag and the borrowing period were covered with the original brush signature and seal: "Sun Dong's old friend gave Wu Kang (seal: Wu Kang)." It turns out that this is a sample book signed by Wu Kang after the publication of Zhang's book, which is of great historical value to textual research on Zhang's early friends. Mr. Zuo didn't seem to know about this relationship between Zhang and Wu when he wrote Zhang Zhuan.

(Excerpt from "Writing on the Edge")