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

The outer world is a reflection of the inner world.

The pleasure of not being young is that you can enjoy things without wanting to possess them.

"Loneliness is not lack of company, loneliness is lack of purpose."

所以，国家的钱财不足以来应付饥荒，救济孤儿寡妇，这样，国家就贫困，百姓就难于治理。 

"Memory is a complicated thing, a relative to truth, but not its twin."

每个伟大的管弦乐队都是社会的镜子，既反映其美德也反映其缺陷。

没有用户思维的技术创新都是自嗨。

这个世界上没有任何真正的卓越可以与正确的生活分开。