On marketing: "In the old world， you devoted 30% of your time to building a great service and 70% of your time to shouting about it. In the new world， that inverts."
在旧的世界里，你用30％的时间创建一种伟大的服务，用70％的时间来营销。在新的世界里，这个比例应该倒过来。
The essence of mathematics lies in its freedom.
未来甚至对创造它的人也隐藏着。