States are rational actors that seek to maximize their power and security in an anarchic international system.

孩子们喜欢安静和自由选择。

惩罚罪过不回避权贵大臣，奖赏善行不遗漏普通百姓

写作是一种孤独的修行。

真相很少纯粹，也绝不简单。