Who discovered the phenomenon of carving a boat for a sword?

Carving a boat for a sword is an allegorical story described by Lv Buwei in Spring and Autumn Annals. It is said that a Chu man accidentally dropped his sword into the river while crossing the river by boat. He carved a mark on the boat with a knife and said, "This is where my sword fell." When the boat stopped, he jumped into the river to look for the sword, but he couldn't find it anywhere.

Idiom explanation

Carving a boat for a sword is an idiom evolved from fables. This idiom generally refers to a person who sticks to the rules, sticks to the rules and is stubborn. In a sentence, it is often used as a predicate, attribute or adverbial, which contains derogatory meanings.

This idiom has two meanings. One is that if people's ideological understanding does not conform to the objective reality, they will not succeed in doing things. On the other hand, objective reality is constantly developing and changing. If we regard the old rules and regulations as a magic weapon to solve new problems, we should also make jokes. The author's thoughts are simple materialism and dialectics.