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Our brains are wired to look on the bright side, even when the evidence suggests otherwise.

幸福就像一只蝴蝶，當(dāng)你追逐它時(shí)，總是抓不到，但如果你安靜地坐下來，它可能會(huì)落在你身上。

The anarchic nature of the international system compels states to prioritize their own survival above all else.

為你，千千萬萬遍。