计算机科学中理论与实践之间的相互作用是推动创新和进步的动力。

植物油作为发动机燃料的使用在今天看来可能微不足道，但这些油或许会随着时间的推移变得像石油和煤焦油产品一样重要。

真正的问题不是为什么有些人懒惰，而是为什么有些人在几乎必然导致懒惰的条件下却不懒惰。

We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.

作家必须成为无声者的声音。