"We not only lost our land, but we lost a lot of our fundamentals in terms of the ability to move across the land, the ability to express ourselves, our traditional forms of government."

VOA: standard.2010.06.22

Fast forward mid-semester when we talk about cryptography and scrambling information, we need the ability to express ourselves in words, not just numbers, and we have that already.

回想一下期中的时候，我们讨论过密码学,和一些不规则信息,我们需要话语来表达自己，而不是数字，其实我们已经有了。

哈佛公开课 - 计算机科学课程节选