The 4th CCDE Sub Cluster Meeting was held on 4 March 2021. The speakers of the two presentations were Prof. Siu Kwai YEUNG and Prof. Qingjie WANG.

Prof. Yeung’ s topic is: “He Guan Zi’s Review”. Prof. Wang analyzed the realistic and classical meaning of “one” and “this one” in the field of philosophical speculation from the perspective of timeliness of comparative philosophy.