对做好自己的事感到满足，不必理会别人如何议论你。

Happiness is beneficial for the body, but it is grief that develops the powers of the mind.

高效计算的关键不仅是速度，还有优雅。

Afghanistan is the land of my past, the place where I had laughed and cried, but it was no longer my home.

True innovation requires taking risks.

真正的强大是承认自己的软弱。

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.