Never get involved in a land war in Asia.

Tell your heart that the fear of suffering is worse than the suffering itself. And that no heart has ever suffered when it goes in search of its dreams, because every second of the search is a second's encounter with God and with eternity.

事实上，我不知道如果没有数学我会做什么。

创新不仅仅是技术的问题；它是关于改变思维方式并接受新的思考方式。

用心栽花、施肥、灌溉，花却总是不开；无意间将柳条插在地上，却长成了郁郁葱葱的柳树。

历史学家必须公正，但不能冷漠。

Market design is an ongoing experiment—what works today may need adjustment tomorrow.