如果你不顽强，你就会过早放弃试验。如果你不灵活，你就会以头撞墙，而不会找到解决问题的不同办法。
On pivoting: "If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve."
过去越黑暗，未来越光明。
The facts are always less than what really happened.
The stories we don’t tell are the ones that haunt us the most.