在密码学的世界里，唯一安全的系统是永远不连接到任何网络的系统。
In the world of cryptography, the only secure system is the one that is never connected to any network.
痛苦可以是一种知识形式。
"The true measure of a writer's success is not in the accolades received, but in the hearts touched."
质量不是一种行为，而是一种习惯。