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

Well, the first rule is that you can’t really know anything if you just remember isolated facts and try and bang ’em back. If the facts don’t hang together on a latticework of theory, you don’t have them in a usable form.

成功不是終點，失敗也非致命，重要的是繼續前進的勇氣。

"You have to believe in yourself when no one else does—that makes you a winner right there."