The Confucian Analects, Mencius, and Xunzi.

The Taoist "Laozi" and "Nanhua Sutra"

The Mohist "Mozi"

The Legalist "Shang Jun Shu"

The four treasures of the study: pen, ink, paper, and inkstone

Quotes about cherishing time

1. The lights are bright at three o'clock and the chicken is on the fifth o'clock. It is when men are studying. The black hair does not know how to study hard and is early. Only those with gray hair will regret that they are late in studying. ——Yan Zhenqing

2. An inch of time is worth an inch of gold, but an inch of gold cannot buy an inch of time.

3. It is easier for a young person to learn than to become an old man, so no time is wasted. ——Zhu Xi

4. My life has a limit, but my knowledge has no limit. ——Zhuangzi

5. If young people don’t work hard, old people will be miserable. ——"Long Song Xing"