3. What do people really gainfrom all the hard work they do here on earth?
4. People live, and people die.But the earth continues forever.
5. The sun rises, and the sun sets.Then it hurries back to the place where it rises again.
6. The wind blows to the south.Then it blows to the north.It blows from one direction and then another.Then it turns around and repeats the same pattern, going nowhere.
7. All the rivers flow to the sea.But the sea never becomes full.