The first part is the first to third paragraphs. This part mainly quotes famous sayings of celebrities, which leads to the joy of going to the library.
The second part is the fourth to eighth paragraphs, which mainly describes the author's pleasure in going to the library, including the "public book forest" in middle school, Tsinghua Library in university and Baldwin Library during his study abroad.
The third part is paragraphs 9 to 10. This part mainly quotes lines, Kouakou.