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。

我们大多数人在物理学上所能期望的最好结果，就是在更深层次上误解。

"A key insight in computational learning theory is that the complexity of a learning problem is determined by the complexity of the hypothesis space and the amount of data available."

Color is my day-long obsession, joy, and torment.

文学之美在于其超越时空的能力，连接不同时代和文化的灵魂。