3. I’ll say I have learned not only how to study, but how to be a man.
我要说的是我不仅学到了如何学习，而且学会了如何做人。
4. Thinking back on the past three years, I have learned that if I want to succeed, I must study hard.
回想过去的三年，我懂得了如果我想要成功，就必须努力学习。
5. Nothing is impossible if you set your mind to it.
如果我下定决心做事没有什么是不可能的。/世上无难事，只怕有心人。
6. Where there is a will, there is a way.
7. As is known to all, "Everything comes to him who waits."
8. I’m sure it will be more and more valuable as time goes by.
9. There is no royal road to learning.
10. A graduation ceremony is a custom which takes place when students graduate from a school.
11. During the ceremony，It is common for several students to give speeches.
12. It is also sad because the time when they studied with friends has come to an end.
13. I wish my classmates and teachers health, happiness and good luck.
14. I’m sad to be here watching you all heading back home.
