I have self-doubt. I have insecurity. I have nights when I show up at the arena and I’m like, ‘My back hurts, my feet hurt, my knees hurt. But, I just want to chill.’ We all have self-doubt. You don’t deny it, but you also don’t capitulate to it. You embrace it.

如果一台计算机能够欺骗人类，使其相信它是人类，那么它就有资格被称为智能。

"We are all fragments of a larger story, waiting to be told."

The art of living is to know when to hold fast and when to let go.

The best products come from a deep understanding of the problem, not just a desire to make something new.