"The only limit to our realization of tomorrow is our doubts of today."
实现明天理想的唯一障碍是今天的疑虑。
旅行就是发现每个人对其他国家的看法都是错误的。
The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.
"The truth is rarely pure and never simple."
"世界是一场游戏,而游戏是一面镜子。"