The only thing of value is the thing you cannot buy.
唯一有价值的东西是你无法买到的东西。
善于学习的人,能够透彻地知道事情的道理;善于实践的人,能够把事情疑难之处弄清楚。
In mathematics, the journey from question to answer is often more enlightening than the answer itself.
The spirit of a man is the most valuable thing in the world.
可信因果推断的关键不仅是方法,还有方法与当前问题的契合度。
成功不是幸福的关键,幸福才是成功的关键。
我创作得越多,就越发现自己。