Mathematics is the organ with which we comprehend the phenomena of nature.

世界是一本书，不旅行的人只读了一页。

Fear can hold you prisoner. Hope can set you free.

The true poet is a man who is always in love with life.

The ladder of success is best climbed by stepping on the rungs of opportunity.

互联网是一种全球资源，应该为公共利益而管理。