理解密码学的关键在于理解它不仅仅是关于保守秘密，而是关于管理信任。
The key to understanding cryptography is understanding that it's not just about keeping secrets, but about managing trust.
The most important single aspect of software development is to be clear about what you are trying to build.
你必须愿意失败才能成功。
死者离我们并不远。他们在我们的心中和思想中，最终，他们是我们所拥有的一切。