The customer's voice is the most important sound in any business.

If you’re not willing to take risks, you’ll never create something truly remarkable.

我心中的伟大目标是让机器变得如此完美，以至于无需人手的帮助就能完成工作。

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.