Zhuangzi quote #22 from The Inner Chapters
Once upon a time I Chuang Tzu dreamt that i was a butterfly. flitting around and enjoying myself. I had no idea I was Chuang Tzu. Then suddenly I woke up and was Chuang Tzu again. But I could not tell had I been Chuang Tzu dreaming I was a butterfly or a butterfly dreaming I was now Chuang Tzu However there must be some sort of difference between Chuang Tzu and a butterfly