We must dare to dream, dare to practice, dare to fail, and dare to succeed.

No one's actions can be completely understood unless they are seen in the context of that person's life as a whole.

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.

There is a history in all men's lives.

我们生来就带着正义的观念。

Humility is the greatest virtue a scientist can possess.

I'm not perfect, and I don't pretend to be.