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.
屋顶上的天空，如此蔚蓝，如此宁静！
"Sometimes the hardest part isn’t letting go but rather learning to start over."
The universe is not queerer than we suppose, but queerer than we can suppose.