在计算复杂性中，我们不仅仅是在处理我们能计算的极限，也是在处理我们能证明的极限。
In computational complexity, we are not just dealing with the limits of what we can compute, but also with the limits of what we can prove.
A strong company culture is built on trust, transparency, and accountability.
【释义】做官要关心百姓，居家要照顾家人，做事要顾及自身。
模型的目的是足够简单以便理解和使用，但又足够复杂以捕捉系统的基本特征。