构建软件系统最困难的部分是准确决定要构建什么。
The hardest single part of building a software system is deciding precisely what to build.
"You gave me a forever within the numbered days."
这个世界变化如此之快,以至于说某件事不能做的人通常会被正在做这件事的人打断。
Every mark on the paper is a political act.