《礼记》中有一篇《儒行》,在宋代以前被看成是反映了孔子所制定的儒者行为规范、准则。但是,宋人开始对这篇文献提出了怀疑。刘咸《推十书·左书·儒行本义》云:“疑是篇者,始宋吕大临。”然细考文献,刘氏之说不确。其实早在吕氏之前,已有学者如李观、程颐对《儒行》提出了怀疑。吕大临(1040—1092),字与叔,时称芸阁先生,蓝田人。先师张载, Confucianism in the Book of Rites was seen as a reflection of Confucian norms of conduct and norms established by Confucius before the Song Dynasty. However, Song began to raise doubts about this document. Liu Xian, “pushing ten books left the original Confucianism” cloud: “suspect is the author, the beginning of Song Lv Da Lin.” "However, fine examination of the literature, Liu’s said is not true. In fact, long before Lu’s, some scholars such as Li Guan and Cheng Yi raised doubts about Confucianism. Lu Dali (1040-1092), the word and tert, when called Yun Court, Lantian people. First teacher Zhang,