The anarchic nature of the international system means that states must rely on self-help to ensure their survival.

两个人一条心，日子越过越好；反之则越过越穷，一事无成。

摆脱诱惑的唯一方法就是屈服于它。

"Every book is a journey, and every journey changes you."

在茫茫的大沙漠上盲目地去找水井，真荒唐。然而我们还是开始去寻找了。