The reason why some people advised Lu people not to cross the border (answered by an idiom)

Heroes are useless-there is no chance to display their talents.

The story of "Lu people migrating to Vietnam" comes from Han Feizi in the forest.

Lu is good at weaving, so is his wife, but she wants to move to Vietnam. Or "My son will be poor." Lu said, "Why?" He said: "Walking is good, but there are more and more people walking; I am the crown, and more people make more. With my son's strength, I will go swimming in an unnecessary country. If I want to be infinite, what will I get? "

There was a man in Lu who was good at knitting shoes with hemp and kudzu vine. His wife is good at silk weaving, and he wants to move to Vietnam. Someone said to him, "You will be poor." (Then) Lu said, "Why?" (answer) said: "the toilet is used to wear, but the more barefoot people walk;" It is used to make hats, but the more people wear hair. Is it possible to go to a country that doesn't use (your product) and want to make (yourself) not poor? "

Isn't the place where you don't need your own skills the place where heroes do nothing?