针对不同的情况采取不同的策略，针对不同的问题采取不同的解决方法，具体问题具体分析。

生活中最鼓舞人心的事，莫过于看到一个人拥有正当合法的抱负，哪怕这抱负还很幼稚。

We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.

No man really knows about other human beings. The best he can do is to suppose that they are like himself.