处理失败很容易：努力改进。成功也很容易处理：您解决了错误的问题。努力改进。

Imitation is the safest form of innovation.

Spend as much time crafting the subject line of an email as the message itself because the subject line is often the only thing people read.

要理解安全通信的未来，首先必须理解当前密码学方法的局限性。