每起谋杀都会留下两个受害者：死者和凶手。
Every murder leaves two victims: the deceased and the killer.
We live in a world where people are judged by their worst actions, not their best.
Safety isn't a department - it's a culture that starts at the very top.
我们都在阴沟里，但仍有人仰望星空。
Adaptation is the mind's greatest achievement.
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
The beauty of mathematics is that it is both an art and a science.
我们要做的是让每个人都能享受到互联网的红利。