人是一切事物的尺度。

I'm the best rapper alive.

关于课程的斗争最终是关于我们希望拥有何种社会的斗争。

"We are all the same, but we are all different."

Program testing can be used to show the presence of bugs, but never to show their absence!

旅行对我来说，是恢复青春活力的源泉。