计算复杂性的本质是理解什么可以被有效地计算的极限。
The essence of computational complexity is to understand the limits of what can be computed efficiently.
用户需求是产品开发的出发点，也是落脚点。
太阳是我们在非洲最强大的工具。我们必须学会与它合作，而不是对抗它。
从本质上来讲，儿童的爱是单纯的，他爱，是为了获得感官印象，这种印象又给他提供了生长的养料。
In science, there is no such thing as a final answer.
In editing, less is often more.