Peng Jiayong 
Stone Never Talks 

Three people were in three places. There are many things that have changed, but there are always some things that have not changed. For example, we have memories, such as our friendship beyond teachers and students. Jiayong wrote books; Zhu Jun wrote postscripts and I was invited to write prefaces, which was a satisfaction of our interaction. This satisfaction, seemingly complex, is really very simple.