那些没有缺点的人的问题在于，通常你可以肯定他们会有一些相当讨厌的优点。
The problem with people who have no vices is that generally you can be pretty sure they’re going to have some pretty annoying virtues.
如果我们挑选出人类中最聪明、最具想象力、最精力充沛且情绪最稳定的三分之一，所有种族都会包含其中。
Cryptography is about communication in the presence of adversaries.