Think globally, act locally.

史记

学习数学的唯一方法就是做数学。

"The only way to do great work is to love what you do."

离别的时刻已经到来，我们分道扬镳，我死去，你活着。这两种哪个更好只有神知道。

We are all alone, born alone, die alone, and—in spite of True Romance magazines—we shall all someday look back on our lives and see that, in spite of our company, we were alone the whole way.