名称没有本来就合适的，而是由人们共同约定来命名的，约定俗成就是合适的，与约定不同的就是不合适的。

"Books are the windows to other cultures."

The first duty of the sovereign， that of protecting the society from the violence and invasion of other independent societies， can be performed only by means of a military force.

写作不仅仅是讲述故事；它是倾听世界的声音。

The most important property of a program is whether it accomplishes the intention of its user.

历史学家的首要职责是忠于真相。