《明史·列传·卷八十五》
席书上书说 ：灾异的来由在于朝廷，不因为云南自己，就如同人元气内伤，然后四肢才长出疮疤一样。
书上疏言： 灾异系朝廷，不系云南。如人元气内损，然后疮疡发四肢。
Xi Shu submitted an official document that said: The cause of the disasters lies with the imperial court, not by Yunnan itself. It is like when the vitality of a person is injured, and so their limbs grow blisters.