To write is to remember, but to read is to forget.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

始终追求卓越，而不是完美。

孔子说：“富和贵，人人向往，不以正当的方法得到的，不要享受；贫和贱，人人厌恶，不以正当方法摆脱的，不要逃避。君子扔掉了仁爱之心，怎么算君子？君子时刻不会违反仁道，紧急时如此，颠沛时如此。”

Challenges are opportunities in disguise; embrace them.

【译文】听到传闻不加考证随意传播，就是抛弃了道德。