可持续发展不是一个流行词，而是每天做得更好的承诺。

唯一安全的系统是关闭的，浇筑在混凝土块中，并密封在有武装警卫的铅衬房间中。

The community is a fictitious body， composed of the individual persons who are considered as constituting as it were its members.

"The past is never dead. It's not even past."

当数据与经验结合时，才能做出最佳决策。

人心难测，表面友善的人，内心未必真诚。  

Courage is the primary quality of justice.