I have self-doubt. I have insecurity. I have fear of failure. I have nights when I show up at the arena and I’m like, “My back hurts, my feet hurt, my knees hurt. I don’t have it. 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.

我们做产品不是为了炫技，而是要解决实际问题。

The key is to keep improving, to keep working hard.

数学不是关于数字、方程、计算或算法：它是关于理解的。

一个好的剪辑师知道何时剪切，何时保持。