专注和简单一直是我的秘诀之一。简单可能比复杂更难做到，你必须努力理清思路，从而使其变得简单。
That’s been one of my mantras—focus and simplicity.Simple can be harder than complex，you have to work hard to get your thinking clean to make it simple.
你最害怕的东西本身其实并不可怕。是你的害怕使它显得可怕。只要勇敢地面对真相，你就会身心解放。
地球形状的问题本质上是势理论中的一个问题。
In business, if you're not moving forward, you're falling behind.