This story tells people that there must be a limit to everything. When it is just right, it is beautiful. Once it goes too far, it will go to the opposite side, even if it is a good thing, it will be bad. If truth takes a step forward, it will become fallacy. "diving in the sea": if you are eager to achieve something, it may lead to the effect of "getting twice the result with half the effort". Deception and horse death: people all over the world say that they accumulate virtue and do good deeds, practice good deeds, kill animals without eating wine and meat, and beat them with whips and sticks, pretending to do good deeds, but in fact they are evil.