2. Learn without exploring its flowers, learn and dig its roots-Tang Dumu's Poems on Teaching Cao and others.
3. Sharpen a sword in ten years-The swordsman by Tang Jiadao.
4. How can you be virtuous if you are not modest —— Zhuge Wuhou in Wang Songan's history.
5. Teenagers work hard all their lives, don't be lazy with time-Don Du Xunhe.
6. The ancients learned to be an excellent official, and they became fond of each other for a long time-Song Lu swam in the winter night to study.