Only by eating hard can you become a master. It means that only by eating hard can you gain fame and fortune and become a respected and loved person.

Appreciation of the slogan on the wall of Harvard University Library: 1 Now take a nap, you will dream; And study at this moment, and you will realize your dream.

2. My deserted today is the tomorrow that people who died yesterday prayed for.

3. When it is too late, it is the earliest time.

Don't put off today until tomorrow.

The pain of learning is temporary, and the pain of not learning is lifelong.

6. Learning this thing is not a lack of time, but a lack of effort.

7. Happiness does not necessarily rank second, and success must rank second.

8. Learning is not the whole of life. However, since even a part of life-study can't be conquered, what else can we do?

9. Please enjoy the inevitable pain.

10. Only by working harder than others can we taste the taste of success.

1 1. No one can succeed casually, it comes from thorough self-management and perseverance.

Time is running out.

13. The saliva that drips now will become the tears of tomorrow.

14. Learn like a dog and play like a gentleman.

15. Don't walk today, but run tomorrow.

16. People who invest in the future are loyal to reality.

Education level represents income.

18. After a day, I won't come again.

19. Even now, opponents keep turning pages.

20. No hardship, no gain.