Those who think themselves the most knowledgeable But actually, there is a narrow frame of experience knowledge is less, because it does not go out to an external lokthat.
Those who consider themselves very knowledgeable. But in fact it is in a narrow range. There is little experience because I did not go out to the outside world.
Those who think themselves have knowledge very much. But I have knowledge in a narrow range Less experienced because it does not meet with the world outside.