From"Sincerity"to"Rationality":On the Cognitive Shifts of Literary Theory during the Yuan Dynasfy

Yuan hao-wen regards Cheng(诚)as literary origin. This doctrine has higher theoretical value than other literary theories in Jin Dynasty. In the early Yuan Dynasty,as Li school extends its influence on the northern China gradually,some famous literary critics such as Xu heng Hao jing Yao sui regard Li( 理) as literary origin. And this kind of doctrine has more affection than Yuan’s. However,as literary origin,Cheng is more accordant with literary rule than Li.