世界上充满了显而易见的事物，却没有人注意到。

On pricing: "There are two kinds of companies， those that work to try to charge more and those that work to charge less. We will be the second."

你自己的心灵是一个神圣的围墙，除非得到你的许可，否则没有任何有害的东西能够进入。

The great advantage of telling the truth is that you don't have to remember what you said.