危机来临时，真正的领导者要敢于担当，快速决策。

永远不要停止质疑，即使答案似乎已经确定。

"The world is tough, but you’re tougher."

人工智能是新电力。

We want to build technology that everybody loves using, and that affects everyone. We want to create beautiful, intuitive services and technologies that are so incredibly useful that people use them twice a day. Like they use a toothbrush. There aren’t that many things people use twice a day.

You don’t need a weatherman to know which way the wind blows.