1. Yan Zhenqing: The lights are on at three o’clock and the chicken is on at five o’clock, which is when men are studying. Black-haired people don't know how to study hard early, and white-haired people regret studying late.

2. Li Kuchan: If a bird wants to fly high, it first flaps its wings; if a man wants to make progress, he first studies.

3. Gorky: Books are the ladder of human progress.

4. Du Fu: He has read tens of thousands of volumes, and he writes like a master.

5. Guo Moruo: To build a new country, you need to read good books to work hard.

6. Chute: Books are the only immortal thing.

7. Pavlenko: Books make people the masters of the universe.

8. Carlyle: The entire past soul lies in the book.