Though laughter might seem a rather superficial human activity, both psychology and (some) philosophies make much of it. The types of humor that give rise to laughter are many and we needn’t consider them all here, except by way of a fundamental contrast. Sardonic, sarcastic and other species of humor that deprecate others or oneself are not germane to the topic here.
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Since our point of departure is the philosophy of Zhuangzi, it is his humor that inspires this treatment. Zhuangzi does not tell explicit jokes, and yet the entirety of his writing can be taken as just that—a kind of joke. This is not incidental, but intentional and integral to his message.
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After sharing the fantastic story of an incredibly vast fish that transforms into a huge bird that ascends to forty thousand feet in order to fly to some distant Oblivion, he tells us that it can be found in a certain book that Ziporyn translates as “The Equalizing Jokebook”. (1:3) He tells us in a note (3) that it could also be “The Equalizing Harmony”. I prefer the former; but in either case it is probably itself a joke in that he likely made the name up. The fictional and fantastic is proved by referencing an authoritative source which is itself fictional. What are we to believe?
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I take the entirety of the Inner Chapters as just that, an Equalizing Jokebook; and he may very well have wished us to make that connection.
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So, what’s the joke? The joke is that something we might have taken very seriously is conveyed so unseriously that we are led to question whether it was ever all that serious after all. It all seems so tongue-in-cheek. Rather than coming away with definitive answers, we are cast into further doubt.
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Still, there seems to be something serious being said here. But it is something that can best be seen only if we look peripherally—very much like objects in the dark are better seen when not looked at directly. The use of humor is thus a kind of “indirect method”—an indefinite, but suggestive pointing. It is a kind of “wordless instruction”.