In the past, Zhuang Zhou was a butterfly, a lifelike butterfly. He described himself as suitable for his will and ambition! If you don't know Zhou Ye, you suddenly wake up, then suddenly Zhou Ye suddenly wakes up. I don't know Zhou Ye's dream is a butterfly? Butterfly dream for Zhou Yu? Zhou and butterfly must be differentiated, which is materialization
——Excerpted from "Zhuangzi·Neipian·Equality of Things, Second Edition"