密码学中的挑战不仅仅是创建不可破解的代码，还包括创建即使技术发展也能保持安全的系统。
The challenge in cryptography is not just to create unbreakable codes, but to create systems that remain secure even as technology evolves.
Never let your sense of morals prevent you from doing what is right.
最深刻的真理往往是我们最抗拒的。
"The magic of books is that they can take you anywhere."
The beauty of mathematics lies in its simplicity and depth.