Never compromise on quality. It's the foundation of everything we do.

The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land, is yet to come.

The difference between the impossible and the possible lies in a person’s determination.

最重要的是对自己所做的事感到快乐。

数学的美在于它简化复杂问题的能力。

什么都会的人，很少有自己所真正精通的东西，整天沉心思虑的人，往往遇事难以下决断。