Every mathematical problem is a window into a new world of understanding.
世界上的事情,最忌讳的就是个十全十美,你看那天上的月亮,一旦圆满了,马上就要亏厌;树上的果子,一旦熟透了,马上就要坠落。凡事总要稍留欠缺,才能持恒。
The best performance improvement is the transition from the nonworking state to the working state.
"To write is to embark on a journey into the unknown, where every word is a step into uncharted territory."