The beauty of mathematics is that it allows us to see patterns and structures in the world that are not immediately obvious.
我不是那种会让我的城市失望的人。
A good algorithm is like a sharp knife—it does exactly what it is supposed to do with a minimum of applied effort.
【译文】 子夏说:“每天都学到些新东西,每月都不忘所学会的东西,就算好学了。”