我经常对事业感到恐慌，周日下午，晚霞洒满天空，我的理想和现实的差距却是这样残酷，令我沮丧的只想抱头痛哭。

States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.

"To understand who we are, we must first understand where we come from."

Those whose words and deeds are inconsistent are often not respected.