Taoist Joke
Zhuangzi and Huizi were strolling one day on the bridge over the River Hao, when the former observed, “See how the minnows are darting about! Such is the pleasure that fish enjoy.”
“You are not a fish,’ said Huizi. “How do you know what fish enjoy?”
“You are not I,” retorted Zhuangzi, “so how do you know that I do not know what fish enjoy?”