《庄子·秋水》云:“何贵何贱,是谓反衍。”郭象注云:“贵贱之道,反復相寻。”成玄英疏云:“反衍,犹反復也。夫贵贱者,生乎妄执也。今以虚通之理照之,则贵者反贱,而贱者復贵。故谓反衍也。”“反衍”的这种解释对后世《荘子》注家有很大的影响。今检《无求备斋荘子集成初编》及《续编》,对“反衍”有所注 “Zhuangzi autumn water” cloud: “He Guijian cheap, is that the anti-derivative.” “Guo Xiang cloud: ” expensive way, repeated phase search. “” Cheng Xuanying sparse cloud: “anti-derivative, still repeated Also husband and wife who are too juvenile innocent also .To the virtual pass rationale, then you are anti-cheap, but the cheap complex .Therefore, anti-derivative also. ”“ Anti-derivative ”this explanation For later generations “prickly heat” Note home has a great impact. This seizure of “no preparation for the preparation of razor sub-integration” and “Continuation Series”, “anti-derivative” have a note