“Further, generous treatment of Liu Shan will tend to weaken Sun Xiu; but if Liu Shan be removed to Luoyang, the people of Wu will be perplexed and doubtful about what may happen to them, and they will not be amenable. Therefore it seems the most fitting to leave the late Ruler of Shu here. Next year, in the winter season, he might be removed to the capital. For the present I would recommend that he be created Prince of Fufeng, and granted a sufficient revenue and suitable attendants. His sons also should receive ducal rank. In this way would be demonstrated that favorable treatment follows upon submission. Such a course would inspire fear of the might of Wei and respect for its virtue, and the result will be all that could be desired.”
Reading this memorial, the thought entered the mind of Sima Zhao that Deng Ai was exaggerating his own importance, wherefore he first wrote a private letter and sent it by the hand of Wei Guan to Deng Ai and then caused the Ruler of Wei to issue an edict promoting Deng Ai. The edict ran thus:
“The merits of Deng Ai surpass those of Bai Qi, who subdued the mighty state of Chu, and Han Xin, who conquered the state of Zhao. Deng Ai is created Grand Commander, and we confer upon him a fief of twenty thousand homesteads, and his two sons are ennobled, each with a fief of one thousand homesteads.”
After the edict had been received with full ceremonies, Wei Guan produced the private letter, which said that Deng Ai's proposals would have suitable consideration in due time.
Then said Deng Ai, “A general in the field may decline to obey even the orders of his prince. My commission was to conquer the west; why are my plans hindered?”
So he wrote a reply and sent it to the capital by the hand of the envoy. At that time it was common talk at court that Deng Ai intended to rebel; and when Sima Zhao read the letter, his suspicions turned to certainty, and he feared. This was the letter: