做好准备。当你完成任何大型项目（房子、电影、活动、App）的90%时，其余无数的细节将需要第二个90%来完成。
Be prepared: When you are 90% done any large project (a house， a film， an event， an app) the rest of the myriad details will take a second 90% to complete.
"Every company is a software company."
The key to performance is elegance, not battalions of special cases.
采矿的未来在于智能化和绿色技术。
认为贞洁是一种美德是人类心灵的迷信之一。
