1. At this moment you nap, you will dream, and now you learn, you will dream.
2. I leave uncultivated today, is precisely yesterday perishes the person to pray tomorrow.
3. Feel too late, exactly the earliest time.
4. Do not drag the matter of today until tomorrow.
5. The pain of learning is temporary, the pain that has not been learned is life-time.
6. Learning this matter is not a lack of time, but a lack of effort.
7. Happiness may not rank, but success must be ranked.
8. Learning is not the whole of life. But since even part of life---learning can not be conquered, what can be done ?
9. Please enjoy the pain that cannot be avoided.
10. Only earlier than others, more diligent efforts, can taste the taste of success.
11. No one can casually succeed, it comes from thorough self-management and perseverance.
12. Time is ticking.
13. Now drool, will become tomorrow's tears.
14. Like a dog, play like a gentleman.
15. Do not go today, will run tomorrow.
16. Those who invest in the future are those who are loyal to reality.
17. The level of education represents income.
18. One day after the end, will not go again.
19. Even now, the opponent keeps flipping the pages.
20. Without hardship, nothing is gained.
The lecture on the wall of the Harvard Library