The butterfly dream ends the second chapter of the Zhuangzi. Zhuang Zhou dreamed he was a butterfly, happy and unaware of himself; waking, he did not know whether he was Zhou who had dreamed of being a butterfly or a butterfly dreaming of being Zhou. It is called the transformation of things.
Butterfly dream
Zhuangzi’s dream that he was a butterfly, after which he did not know if he was a man who had dreamed or a butterfly dreaming.