Description: Even if the soil is thin, a good bricklayer can build a wall. Educators also have a great responsibility to refer to how students learn.

From: The Analects of Confucius: "Rotten wood cannot be carved, nor can the wall of dung be carved"!

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It is said that there are 3,000 disciples of Confucius, among whom 77 have graduated with diplomas (famous for their surnames), such as Luz, Zigong, Ziyuan, Ran Qiu, Ziruo, Ziqian, Qin Zi, Zhangzi, Zichang, Zisi, Zi Rong and Zhonggong.

Of course, Confucius also had bad students, such as Zaiyu (Confucius). Have a reputation for eloquence. At first, he was very popular with Confucius, but he was superficial and had something behind him. Confucius once found that Zaiyu slept during the day.

Confucius was very angry and said, "You can't carve rotten wood, nor can you carve dung walls!"! This allusion is about the massacre. It was later verified. Zaiyu later became a doctor in Linzi and made an insurrection with Tian Chang. As a result, he was enslaved. Confucius was ashamed to mention that this man was his disciple.

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