It depends on how people accept what they have learned intellectually. Is to teach different teaching methods according to different people. Learning has a step-by-step process.
Edison had thousands of inventions in his life, which was inseparable from his serious study and hard study. Edison was poor in his early years. As a teenager, he worked for a living. After work, he often borrows books from the library. He reads quickly. He had to check out and return a stack of books in a few days. The librarian was very surprised and asked him, "How do you read?" He said, "I borrow books from the library and look through them." The librarian told him that he must have a choice and a good reading style. After that, Edison read a lot of books correctly according to the guidance of the librarian, which laid a solid foundation for his future scientific inventions.
Su Dongpo has a poem "Send a fugitive to the West". The first two sentences are: "I can never get tired of reading old books, and I am familiar with them." Each of us has limited energy and time, so we should choose intensive reading or extensive reading according to the content of the book and our own needs. We should choose valuable books from books to read repeatedly, such as classics, so we should chew and digest them slowly and get nutrition from them constantly.