在石材行业，细节成就完美，而完美不是细节。
性能不仅仅是速度，还包括效率和可扩展性。
You know, in the Middle Ages, in England, when you met a very poor person, that person would be described as an "unfortunate" -- literally, somebody who had not been blessed by fortune, an unfortunate.
The study of computation is not just about machines, but about the very nature of thought and logic.
计算的研究不仅仅是关于机器，而是关于思维和逻辑的本质。