Here is someone who lives alone. He has no son, no brother, yet he is always working, never satisfied with the wealth he has. For whom is he working so hard and denying himself any pleasure? This is useless, too—and a miserable way to live.
Don't be surprised when you see that the government oppresses the poor and denies them justice and their rights. Every official is protected by someone higher, and both are protected by still higher officials.