伟大的小说是一面镜子和一扇窗户：它向我们展示我们自己与世界。
Keep cool, but care.
The future isn't written in the stars. There are no guarantees. So claim your adulthood. Be intentional. Get to work. Pick your family. Do the math. Make your own certainty. Don't be defined by what you didn't know or didn't do. You are deciding your life right now.
可持续性必须有利可图，否则它就无法持续。
数学的美在于它如此简单却又如此强大。