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

树林里分出两条路，而我选择了人迹罕至的那条，这决定了一切。

科学是关于理解世界，而医学是关于应用这种理解来帮助人们。

Quality is not a destination; it is a journey.

The boundaries of our knowledge are the frontiers of our imagination.

市场竞争能够促进资源的有效配置。