《庄子·内篇·人间世》
这就是万物的变化，是禹和舜所把握的要领，也是伏羲、几蘧所遵循始终的道理，何况普通的人呢！ 
是万物之化也，禹、舜之所纽也，伏戏、几蘧之所行终，而况散焉者乎！ 
This is the change of all things, the essentials grasped by Yu and Shun, and the truth that Fuxi, Jiqu, etc. have always followed. What about ordinary people!