While the "positive" will sometimes blithely commit way beyond themselves, the "negative" will know exactly how much energy, money, and time something will take.

正面的一方通常很愉快地承诺于双方的关系，而负面的一方就知道要花多大的能量、金钱和时间去处理事情。

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Successfully starting a business, no matter how small, is an act of creating something out of nothing that carries satisfactions far beyond those of the money it brings in.

WSJ: Charles Murray: Why Capitalism Has an Image Problem