At the end of the day it's not about what you have or even what you've accomplished... it's about who you've lifted up, who you've made better. It's about what you've given back.

解释：放开人民的嘴，让他们有话直说，政事的善恶好坏就都可以清楚。

The power elite is composed of men whose positions enable them to transcend the ordinary environments of ordinary men and women; they are in positions to make decisions having major consequences.

A mathematician's work is mostly a solitary pursuit, but it builds on the work of many others.

Music has the power to heal, to inspire, and to bring people together.

你必须对自己的能力有信心，然后足够坚强地坚持到底。