目的可以证明手段的正当性，只要存在某种能证明目的正当性的东西。
The only way to do great work is to love what you do.
Wages depend on the price of necessaries required for the support of the laborer.
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.