子贡说：“贫穷却不阿谀奉承，富贵却不狂妄自大，怎样？”孔子说：“可以。不如穷得有志气，富得有涵养的人。”子贡说：“修养的完善，如同玉器的加工：切了再磋，琢了再磨，对吧？”孔子说：“子贡啊，现在可以与你谈诗了。说到过去，你就知道未来。”

The greatest enemy of a good plan is the dream of a perfect plan.

Life is 10% what happens to you and 90% how you react to it.

To be a good mathematician, you need to have both intuition and rigor.

真正的诗人是能够用一个词捕捉一个瞬间的本质，并能够用一行表达无法表达的东西的人。