Zhuangzi even goes so far as to compare being instructed in moral thinking with bodily mutilation:
Xu You, said [to yi Erzi, the man approaching him] "What kind of assistance has Yao [the Confucian sage and model of morality] been giving you!"
Yi Erzi said: "Yao told me: "you must learn to practice benevolence and righteousness and to speak clearly about right and wrong."
"Then why come to see me?" said Xu You. "Yao has already tattooed you with benevolence and righteousness and cut off your nose with right and wrong. Now how do you expect to wander in any far away, carefree, and as-you-like-it paths?"
"That may be," said Yi Erzi. " But I would like, if I may to wander in a little corner of them."
"Impossible!" said Xu You. "Eyes that are blind have no way to tell the loveliness of faces and features, eyes with no pupils have no way to tell the beatuy of colored and embroiderd silk."
The right and wrong distinction, righteousness, and benevolence,... sounds like a conversation related to the issue of morality to me.