butterfly dream, n.All

Butterfly dream (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠Chuang-chou's: he dreamed he was a butterfly, woke, and could not tell whether he had dreamed the butterfly or the butterfly was now dreaming him.