What poems describe stupidity and mindlessness?

1, rotten wood cannot be carved, and the wall of dung cannot be broken. -from the tenth sentence of chapter 5 of Confucius' Analects of Confucius in the Spring and Autumn Period. You can't carve rotten wood, and you can't draw the wall of muck.

2, can't teach. -Sima Qian of the Western Han Dynasty, Historical Records, stayed in Hou's home. The child is stupid, so it is casting pearls before swine to reason with him.

Don't die until you reach the Yellow River. Don't hit the south wall and don't look back. -encyclopedia of anonymous celebrity quotes. Metaphorically, someone's behavior is stubborn and he can't listen to different opinions.

4, Zhou Lang coup, lost his wife and soldiers. -The Romance of the Three Kingdoms by Luo Guanzhong in the Ming Dynasty. Zhou Yu took the lead in marrying Sun Quan's sister to Liu Bei, and brought Liu Bei there, trying to put him under house arrest and control Shu. As a result, Zhuge Liang found out and sent Zhao Yun to get Liu Bei back. The soldiers sent by Zhou Yu to intercept were also defeated by Zhao Yun. This is Zhou Yu's second breath and third breath. Now it is described that doing things not only fails but also loses money.

5, Ning Wuzi, when there is a way, the country is smart, and when there is no way, the country is stupid. It can only be achieved, but it is also stupid. -The Analects of Confucius in the Spring and Autumn Period. Ning Wuzi is smart when the country is peaceful, and plays dumb when the country is chaotic. His cleverness can catch up with others' stupidity.