2. If young people don't work hard, old people will feel sad.
A year's plan lies in spring, and a day's plan lies in morning.
4. Reading is like a book and writing is like a god.
Modesty makes people progress, while pride makes people lag behind.
6. an upright man is open and poised while a petty man is anxious and worried.
7. Two heads are better than one.
8. A promise is a promise, a promise is a promise.
9. Keep your word and do what you want.
10. People are inherently mortal, either heavier than Mount Tai or lighter than a feather.
1 1. Friends should make up, but don't get married.
12. Missing is thousands of miles away.
13. In a threesome, there must be a teacher.
14. Where there is a will, there is a way.
15. Don't act on the small evil, and don't act on the small good.