1． Read more and copy more, both of which must be guaranteed. Wu Han

2. Be diligent in taking notes and writing your own opinions. Scholars spend a lot of time copying and excerpting materials, making cards, and writing notes. Hu Hua

3. Take summary notes. Nowadays, people like to put circles next to books to indicate importance. This is good, but it is not enough. It is better to copy down the important places. Wang Li

4. Diligence means not only reading more, but also copying more. (Quotes about reading notes) Copy down the places you think are important, or make them into cards, so that you can consolidate your memory.

Wu Han