"In the end, we will remember not the words of our enemies, but the silence of our friends."

先天真阳的萌动本是无为自然的，一旦刻意追求就落入后天人为的机巧。

The challenge for media companies is to find new ways to reach audiences and to make money from it.

追求数学知识是一段永无止境的旅程。