Zhuang Zhou dreamed of butterflies, butterflies dreamed of Zhuang Zhou?
This question has troubled philosophers for thousands of years, from the moment Zhuangzi raised the question.
Why should we wake up to this?
The butterfly dream has not yet awakened, so she is Zhuang Zhou. When she wakes up, she is a butterfly.
If you don't think about it, don't wake up.
But why does the person in the dream smile so realistically?