There are quite a lot of famous sayings and aphorisms to encourage students. The more common one is that there are mountains of books and roads, and diligence is the path. There is no limit to learning and hard work. The lights are on at three o'clock and the chicken is on at five o'clock, which is when men are studying. The edge of a sword comes from sharpening, and the fragrance of plum blossoms comes from the bitter cold. Of course, for students, the most common thing is to study hard and make progress every day.