A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.

存在是一种风险，但不存在也是一种风险。

倾听公司里的每一个人，并想办法让他们说话。在前线的人——那些真正与客户交谈的人——是唯一真正知道外面发生了什么的人。你最好弄清楚他们知道什么。