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A sense of duty is just love of one's duty.

人類的靈魂是一個(gè)迷宮，充滿了曲折，我們都在試圖找到出路。

Envy is a really stupid sin because it’s the only one you could never possibly have any fun at. There’s a lot of pain and no fun. Why would you want to get on that trolley?

設(shè)計(jì)良好的市場(chǎng)能最大限度地減少策略操縱的機(jī)會(huì)。