记住该记住的,忘记该忘记的。改变能改变的,接受不能改变的。
The world is before you and you need not take it or leave it as it was when you came in.
记忆是个狡猾的东西,它既可以是祝福也可以是诅咒。
Diplomacy is not an end in itself if it does not advance the interests of the nation.