"Hope is the thing that keeps us moving forward, even when the path is dark."
我在数学上花的时间越多，我就越兴奋。
The greatest crimes are committed not in the name of evil, but in the name of good.
The only limits that exist are the ones you place on yourself.
未来的商业竞争，一定是效率的竞争。
Don't worry about what anybody else is going to do. The best way to predict the future is to invent it.