"Life, he realize, was much like a song. In the beginning there is mystery, in the end there is confirmation, but it's in the middle where all the emotion resides to make the whole thing worthwhile."

数学之美在于它的简洁与深度。

In the end, all we have are the stories we tell ourselves.

生活就是不断地放下，但最遗憾的是我们来不及好好告别。

网络的力量在于其普遍性。无论是否有残疾，每个人都能访问是一个基本方面。

The family is the basic unit of society, and it is under attack.