《庄子·杂篇·庚桑楚》
像我这样的听闻大道，好比服用了药物反而加重了病情，因而我只希望能听到养护生命的常规罢了。 
若趎之闻大道，譬犹饮药以加病也。趎愿闻卫生之经而已矣。 
My hearing the Great Way is like that; it is as if taking some medicine has made my illness worse. And thus I only hope to hear the general principles of preserving life.