1. Black-haired people don’t know how to study hard, but white-haired people regret studying late. ——Yan Zhenqing

2. There are three ways to read, namely, the heart, the eyes, and the mouth. ——Zhu Xi

3. Be broad-minded and make reservations, accumulate thickly but only thinly. ——Su Shi

4. Exploring the truth is more valuable than possessing the truth. ——Einstein

5. Read a book a hundred times, and its meaning will appear by itself. ——Three Kingdoms

6. Action is the beginning of knowledge, and knowledge is the completion of action. ——Tao Xingzhi

7. Don’t be afraid of reading less, just be afraid of not remembering it well. ——Xu Teli

8. Education is the main defensive force. ——Burke

9. It is most unhelpful to rely on reciting what you have read. ——Zheng Banqiao

10. If you read but cannot use it, what you read is equivalent to waste paper. ——Washington

11. You must learn to think and then write. ——Boileau

12. Knowledge is the eyes of the soul. ——Drex

13. It’s never too late to learn. ——Golky

14. The enemies of science are no less than its friends. ——Turkish proverb

15. Reading is like mining, "mining for gold in the sand." ——Zhao Shuli