书籍的魔力在于它们可以带你去任何地方。

Sometimes it's better to take a step back and focus on your mental health.

文学是无言者的声音。

技术将重新定义我们如何开采和利用煤炭资源。

The essence of mathematics lies in its freedom.

Do what you can wherever you are， from wherever you sit in life. Give me your time or your talent your money if you have it.

我们要坚持开放合作，实现互利共赢。