Greatness comes from consistently doing small things well.
测量可测量的,并使不可测量的成为可测量的。
I don't care what you think about me, I don't think about you at all.
数学家是能在定理间找到类比的人;更好的数学家能在理论间看到类比;而最优秀的数学家能注意到类比之间的类比。