Well, if the heart is small, the world will be big, and if the heart is big, the world will be small. What do you mean? First of all, if the heart is small, the world will be big, that is to say, if a person's heart is not big enough, it may make him out of reach. If a person's heart is big, it may mean that the world of the person he loves is within his reach, that is, er, he.