The article can be divided into three parts:
1. It all depends on observation (the purpose of reading)
2. Don't deliberately cross-examine the author when reading, so that you can be ignorant and obvious (the focus is on the reading method)
3. reading history makes people wise ~ there are specific drugs to cure (expounding that reading can shape people's character and make up for various mental defects; The benefits of reading)
This paper uses positive and negative contrast argument, metaphor argument and reason argument.