Cryptography is the art of transforming information into a form that is unintelligible to anyone who does not possess the key to unlock it.
One does not ask of one who suffers: What is your country and what is your religion? One merely says: You suffer, that is enough for me.
我选择一周的懒汉，而不是一个月的勤奋者。
你必须愿意冒险，因为最大的风险就是不冒任何风险。
The best books... are those that tell you what you know already.