The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.
你越是试图忘记,越是记得清楚。
计划本身毫无价值,但规划的过程至关重要。
企业的核心竞争力不在于拥有多少资源,而在于如何高效利用这些资源。
"The unexamined life is not worth living."