What does it mean to carve a boat for a sword? What do you mean, gild the lily?

"Carving a boat for a sword" is an idiom evolved from a fable, which comes from Lv Chunqiu Cha Jin. Generally speaking, it is a metaphor for people who stick to dogma, stick to conventions and stick to their own opinions.

"Painting a snake to add feet" is an idiom in China, which means adding feet to a snake when drawing it, and then it means that a person has done something, which is not only useless, but also inappropriate. It also means fabricating facts, making them out of nothing, and reinventing them. From the warring States policy chess strategy two.

The truth of "carving a boat for a sword": people's ideological understanding does not conform to objective reality, and they will not succeed in doing things. The 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.

The truth of "gild the lily": we should know how to respect objective facts in our study and life, and we should not be smart enough to do unnecessary things.