A mathematician is a device for turning coffee into theorems.
Happiness lies in the joy of achievement and the thrill of creative effort.
Change is inevitable, but growth is optional.
我不害怕跌倒,我害怕对跌倒的恐惧。
Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
不要追问这世界需要什么样的人,扪心自问是什么支持着你活到现在,然后奔赴你的信仰、因为这世界需要的就是人们充满活力地活在世上。