ks, and writing time. Inthemeantime, the book widely researches on Jiayi's thoughts ofpoli-tics, economics, philosophy, ethics, education, and literature.Theopinions on lots of theory problems have been advanced, whichwouldbe a summary work on research of Jiayi to some exsent.Furthermore, thebook also systematic analyses the life andthoughts of Lu Ja and CaoCuo, Which are new and original too.