计算复杂性的本质是理解什么可以被有效地计算的极限。
The essence of computational complexity is to understand the limits of what can be computed efficiently.
In darkness, we learn to seek light; in despair, we learn to seek hope.
The best way to scale a program is to scale it.
译文:白云斜斜地挂在蔚蓝的天空上,独自登上高处心中一片怅然。遥想家乡像什么呢?在那杂乱山峰的深处,一片翠绿如烟。