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Customer satisfaction is worthless. Customer loyalty is priceless.
译文:厚重的钱财和甜美的语言,是人应当畏惧警惕的东西。
人性的弱点总是充满贪婪、恐惧或者是愚蠢,这是完全可以预测的,但是我们无法预测这种人性弱点的发生顺序。
The most important thing is to be willing to question everything.