The fourth king of the Xia Dynasty - Si Zhongkang, who was determined to kill the thief but could not help but return to heaven. Si Zhongkang competed with Houyi
In 1958, an old man who picked up feces was exposed because of a thank you letter. After investigation, he found out that he was a founding lieutenant general.
Emperor Jing of Han invited the minister to dinner but refused to give him chopsticks. After the minister stood up and left, the emperor said: This person cannot be kept.