Art is not a luxury; it’s a necessity.
What is the difference between a Turing machine and the modern computer? It's the same as that between Hillary's ascent of Everest and the establishment of a Hilton hotel on its peak.
The only time I’m truly happy is when I’m in the water.
无论是赏心悦目的事物，还是实实在在的东西，我们从中获取幸福的关键似乎取决于这样一个事实，那就是我们必须首先满足自己情感或心理上的一些更为重要的需求，诸如对理解、爱、宣泄和尊重的需求。《旅行的艺术》
计算机科学的挑战不仅在于创造新技术，还在于确保它们被道德和负责任地使用。
The best performance improvement is the transition from the nonworking state to the working state.