The key is to set realistic customer expectations, and then not to just meet them, but to exceed them — preferably in unexpected and helpful ways.

"Tennis is a mental game. Everyone is fit, everyone hits great forehands and backhands."

创新不仅仅是技术的问题；它关乎改变思维方式和打破障碍。

经验只是我们给错误取的名字。