过去是一道永不消散的阴影。

We must always question our assumptions and be willing to revise our theories in light of new evidence.

Small changes in context can lead to big changes in behavior.

The art of algorithm design is not just in solving problems, but in discovering new ways to think about them.

拍卖中，规则和竞标者的策略一样决定结果。

一个好的程序员是在穿过单行道之前总是两边都看的人。