The foundation of science is a healthy body-Madame Curie.

Sharp tools can do a good job.

Exercise is the source of all life. -Leonardo da Vinci

If you want to read a good book, you must first lay a good foundation and read a good foundation before you can study individual problems on this basis. The range of basic requirements is wide and the range of learning requirements is deep. The breadth and depth are also unified. Only breadth can be deep, and only depth can be breadth. -Wu Han's knowledge and ability are accumulated bit by bit, so we should pay attention to a solid foundation, review and consolidate it, and don't rush for success. ── Gu Chaohao

Just as branches are connected with the trunk, branches that leave the trunk will soon die. -Oneg