When I was young, I dreamed of changing the world; but when I grew up, I found that I can not change the world, so I shortened my sights somewhat, decided to change only my country; when I entered the twilight years, I found that I can not change our country, the only change my wishes my family, however, this is not possible. When I'm lying in bed, approach death, I suddenly realize: if I had only changed myself, then, I would have changed my family; in the family's help and encouragement, I could do something for the country; and then, who knows? I can even change the world