幸：追求，希求。斯：这样。干：追求。不追求福运，就不会有灾祸；不计较所得，就不会有失去；不追求荣耀，就不会遭到辱没；不企冀美名，就不会遭到诋毁。
你无法管理你无法衡量的东西。
"The beauty of mathematics only shows itself to more patient followers."
The best way to learn mathematics is to do mathematics.
The greatest glory in living lies not in never falling, but in rising every time we fall.
The key is to set realistic customer expectations, and then not to just meet them, but to exceed them—preferably in unexpected and helpful ways.
