数学不是关于数字、方程、计算或算法的：它是关于理解的。

Quality is not a label; it is a standard.

世界变化非常快。大不再能打败小，而是快打败慢。

The competent programmer is fully aware of the strictly limited size of his own skull; therefore he approaches the programming task in full humility, and among other things he avoids clever tricks like the plague.