世界是一本书，不旅行的人只读了一页。

要理解一个国家，你必须理解它的沉默。

"The line between hero and villain is often thinner than we think."

The best ideas often come from the most unexpected places.

有机催化剂的美在于它们的多样性和适应性。

I don't think you can ever really change who you are, but you can change how you live your life.

The construction of intelligent mines is the future direction of the coal industry.