即使有盖世之功，最要不得的是居功自傲；纵然滔天的罪恶，最难得的是悔过之心。

永远不要停止学习，因为生活永远不会停止教导。

The circular economy is the only viable future for our industry.

The climate system is an angry beast, and we are poking it with sticks.

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.

数学是给不同事物以相同名称的艺术。