在大数据时代，数据结构和算法的数学原理变得比以往任何时候都更加关键。

To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.

坚守道德底线，有时可能会遭受短暂的冷落；可那些依附权势利欲熏心的人，搞不好会万古凄凉。真正通达明理的人，不会囿于物质本身，而更在意身后的名誉。所以他们宁愿承受一时的冷落，也不愿遭受永久的凄凉。

The past is a foreign country; they do things differently there.

模糊集的概念为构建一个在许多方面与普通集框架平行的概念框架提供了一个方便的出发点。

The intelligence of that creature known as a crowd is the square root of the number of people in it.