International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.

我喜欢挑战，因为挑战让我成长。

音乐是灵魂的语言，而我只是一个翻译者。

Don't be afraid to be different, because you are unique.

追求知识是一场没有终点的旅程。