【释义】：当面赞誉他人的人往往不够忠诚，只注重外表修饰的人往往缺乏真情实意。

Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

Technologists should have a sense of awe, because code can change the world.

人声是最美的乐器，但也是最难演奏的。

Truth is often buried in profound silence.

An empire founded by war has to maintain itself by war.