“自由思想，独立精神”，多谢陈寅恪老师！

During the study he managed Mongolian, Tibetan, Manchu, Japanese, Sanskrit, English, French, German, Tripitaka, Persian, Turkic, Tangut script, Latin, Greek and so on, especially Sanskrit and Tripitaka. Xia CengYou once said to him: "it is wonderful that you can read foreign language books. I have no books to read because I know Chinese only and I've read all the Chinese books."

Xia Cengyou parlando dello storico, linguista, studioso e letterato Chen Yinke (1890-1969). "Pensiero libero e spirito indipendente" il suo motto e metodo di ricerca.