The beauty of a mathematical proof is in its elegance and the way it reveals the underlying truth in a clear and concise manner.
The unpredictable is the ground on which creativity flourishes.
What is the one sentence summary of how you change the world? Always work hard on something uncomfortably exciting!
语出西汉·桓宽《盐铁论·疾贪》。表：古代测量日影以计时的标杆。要想让影子正，就要先将标杆树直；要想让下面的人清廉，就要先自己做到清廉。说明上位是下位的表率。