I can't say the source of Yiai, I know Yiai; Although your majesty wants to abolish the prince, he will not serve as an official. "Historical Records Biography of Prime Minister Zhang" Deng Ai stuttered and was called Ai Ai. Shi Shuo Xin Yu, written by Liu Yiqing in the Southern Dynasties, explains that people who stutter are repetitive and not fluent. Used as predicate and adverbial; The combination of words describing the stuttering structure is similar, faltering, but the words are fluent and fluent, and the rhyming words are fierce and persistent, flying to kill the soil, wearing cloth clothes, surviving the fittest, being calm and happy, saying what you say will be done, being honest, eating chaff and swallowing vegetables, and being helpless in every way ... In the early Han Dynasty, Hou Zhouchang of Fenyang followed Liu Bang to conquer the world, and Liu Bang loved Miracle and wanted to abolish Prince Miracle. Zhou Chang went to the temple to meet him regardless of his personal safety. He stammered and didn't know what to say, that is, to stop Liu Bang from abolishing the Prince. Liu bang was moved to never mention the abolition of the prince again.