The hardest single part of building a software system is deciding precisely what to build.

即使在最黑暗的时刻，只要记得点亮灯光，就能找到幸福。

世界不是要解决的谜题，而是要经历的神秘。

什么是离婚的主要原因？结婚。

In the age of big data, the mathematical principles of data structures and algorithms have become more critical than ever.

沉默不是虚无。沉默是一种存在。