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The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.

一個人可能發生的最糟糕的事情就是失去希望。

What is most personal is most universal.

唯一能讓你富有的是你的思想。

我從不考慮錯失關鍵球的后果……當你考慮后果時，你很可能會失誤。