自由是一种当你看着它时会变化的东西，就像森林近距离看时树木茂密，但从外面，从空旷的草地上看，你看到它的真正界限。自由与锁链或你的笼子有多宽无关。
Freedom was a thing that shifted as you looked at it, the way a forest is dense with trees up close but from outside, from the empty meadow, you see its true limits. Being free had nothing to do with chains or how wide your cage was.
我不是说唱歌手，我是一个恶棍。
世界是一本书，不旅行的人只读了一页。
The act of writing is an act of discovery.
现代密码学的挑战不仅是确保通信安全，而且要以既高效又可扩展的方式实现。