The second paragraph: "The remaining Baling is in Longzhou, in Dongting Lake. ..... See how things feel, is there nothing unusual? " This passage summarizes the scenery of Dongting Lake, which is magnificent.
The third paragraph: When the author saw this scene, his sadness came from it.
The fourth paragraph: Facing the beautiful scenery of nature, the author is full of joy.
The fifth paragraph: the essence of the full text, there are joys and sorrows, so how to deal with it? "Don't be happy for things, don't be sad for yourself. If you live high in the temple, you will worry about the people, and if you live far in the rivers and lakes, you will worry about the king. I'm worried about going in and going out, but when can I be happy? It must be said: worry about the world first, and then enjoy the world. " This paragraph is the point.