First of all, it refutes the view that "it is good to solve any problem", and then leads to "it is good to learn without solving; Every time I know something, I will gladly forget to eat and sleep, and then explain the original meaning: good reading is the premise of not asking for a solution, and the key to reading is to know one thing; "I don't want to know a lot" has two meanings: to have an open mind and a reading method to understand the main idea, and then to prove that reading should have an open mind and a reading method to understand the main idea from the negative example of plekhanov and the positive example of Zhuge Liang, and then to explain from the negative side, and finally to summarize the full text "Important books should be read repeatedly".