老年并不有趣，直到你真正到达那个年纪。

"Lighting is not about how much light you have, but how you use it."

I'm not afraid to speak my mind.

几何学是关于永恒存在的知识。

最优雅的证明是那些清晰地揭示问题本质的证明。

Success is a function of persistence and doggedness and the willingness to work hard for twenty-two minutes to make sense of something that most people would give up on after thirty seconds.

计算机科学最伟大的单一成就是算法概念的发展。