The key to understanding cryptography is understanding that it's not just about keeping secrets, but about managing trust.

I'm not afraid to take an unpopular stand.

法律实证主义强调法律与道德的分离。

我们写作是为了记住，但也是为了忘记。

学校是用来培养人才的，但古代圣王的用意并不止于此。