Alice e Zhuang Zi

Once upon a time, Zhuang Zi the philosopher dozed off in a garden full of flowers, and dreamt he was a beautiful butterfly. It fluttered by, hither and thither, until it grew tired and also fell asleep. It too had a dream, and dreamt it was Zhuang Zi. At that instant, Zhuang Zi awoke. He did not know whether he was now the real Zhuang Zi, or the one in the butterfly's dream; nor did he know whether he had dreamt of the butterfly, or it had dreamt of him.