解析：天地之所以能长久存在，是因为它们的一切运作都不为自己，所以能够长久。

每起谋杀都有它自己的旋律。

一个国家的力量在于其人民的品德。

The idea that immigrants take jobs away from natives is largely a myth.

政策规则优于自由裁量，因为它们避免了时间不一致性问题。

Success? I don't know what that word means. I'm happy. But success, that goes back to what in somebody's eyes success means. For me, success is inner peace. That's a good day for me.

The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.

大多数人过于专注于如何过上成功的生活，而忽视了如何过上有意义的生活。

You don't get another chance, life is no Nintendo game.