密码学的目标是使破解系统的成本超过受保护信息的价值。
The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.
一个人重要的是他谈论什么、而不是他赞同或不赞同什么。
"Quantum mechanics is not just a theory, it is a framework that has fundamentally changed our understanding of reality."
The only true wisdom is in knowing you know nothing.
"Memory is a tricky thing - it can be both a prison and a liberation."