In the world of cryptography, the only secure system is the one that is never connected to any network.
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。
成功就是用你所拥有的做到最好。
La ciudad no es solo un escenario, es un personaje más en la novela.
The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.
The goal of mathematics is not to solve problems, but to understand them.
Every new day is another chance to change your life.