Adults admire children for their carefree life. But they don't know how difficult it is to be a child. He can't cio what he likes to cio, and will be blamed when he does something wrong or improper. Adults never ask for his advice. And he can't point out the mistakes made by adults. Adults don't

　　even care about what are really in children's minds. The worst of all is that they regard children as children forever, even when they have grown up someday.