2, Xing, Cheng Yule. -Confucius

Young people don't work hard, but old people are sad.

4. Don't do to others what you don't want them to do to you. -Confucius

5, determined to be true, you must study hard. -Ruan Yuan

6, reading a hundred times, its meaning is self-evident. -History of the Three Kingdoms

7, reading three: heart, eyes, mouth.

8, black hair does not know how to study hard early, Bai Shoufang regrets learning late. -Yan Zhenqing

Any valuable knowledge I have learned comes from self-study. -Darwin

10, but if you walk up a flight of stairs, you can broaden your view of 300 miles. -Wang Zhihuan

1 1. You can skip meals one day, sleep one day and read one day. Mao Zedong

12, make great efforts to know all the words in the world and make up your mind to read all the books in the world. -Su Shi