《庄子·齐物论》: “昔者庄周梦为胡蝶,栩栩然胡蝶也,自喻适志与!不知周也。俄然觉,则蘧蘧然周也。不知周之梦为胡蝶与?胡蝶之梦为周与?周与胡蝶则必有分矣。此之谓物化。” Zhuangzi once dreamed of himself as a butterfly. In the dream, he was free and happy, and didn't know he was actually Zhuangzi. However, when he woke up, he surprisingly realized he was the Zhuangzi who lay stiffly... Sign in to see full entry.