密码学是关于在存在对手的情况下进行通信的。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
Progress is impossible without change, and those who cannot change their minds cannot change anything.
语言不是一种文化产物,不像我们学习报时或了解联邦政府运作那样。相反,它是我们大脑生物构成的一个独特部分。
The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.