The study of the mind must be strictly empirical.
The biggest risk is not taking any risk... In a world that's changing really quickly, the only strategy that is guaranteed to fail is not taking risks.
The hardest thing about being a director is figuring out what to do next.
在向埃及的远征中,拿破仑下达过这样的一个命令。
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。