理解计算的极限与推动其边界同样重要。
Understanding the limits of computation is as important as pushing its boundaries.
我们都生活在阴沟里，但仍有人仰望星空。
微小的行动，乘以数百万，就能改变世界。
Programmers are not to be measured by their ingenuity and their logic but by the completeness of their case analysis.