To learn more than to be knowledgeable, to act more than to make promises. - Mr. Ma of the Tang Dynasty, "Yi Lin. Supplement. Yuan Zhunzhengshu" .——Song Dynasty. Cheng Hao's "Er Cheng Quanshu" is more knowledge based on erudition.——Song Dynasty Ouyang Xiu's "Hesheng Yu" is to gain a wide range of collections, extract the essence and use it for publicity. ——Zheng Zhenduo's "Hymn to Dance Like the Dawn" must be learned, ...