言论自由只有在政府认为它自身安全的时候才存在。

"The act of writing is an act of freedom."

紧急是个暴君。重要才是你的国王。打倒紧急的暴政！

To teach mathematics is to inspire the next generation of thinkers and problem solvers.

被人注视却不被看见，真是件怪事。