What does the fable of bamboo poles entering the city tell us?

1) Entering the city with a pole is selected from Kobayashi (Three Kingdoms Wei)

2) The implication of holding the pole into the city

A Some things are not unsolvable, but not so perfect.

B Sometimes, a seemingly unsolvable problem can actually be solved by divide and conquer, that is, turning a big problem into a small one. The old father's method is uneven segmentation in today's language.

Although this is a joke, this joke tells people a truth: think flexibly and don't be one-sided.

People who think they are smart are stupid.

3) A brief introduction to the story of going to town with a pole.

There was a man in the state of Lu who walked into the city gate with a long pole. At first he stood up and held it, but he couldn't get into the gate. He came and hugged, but he couldn't get into the gate. I really can't think of a way. After a while, an old man came and said, "I am not a saint, but I have seen many things." Why not use a saw to cut off the long pole and enter the city gate? " So the Lu people cut off the long pole according to the old man's method.