译文：问题刚冒头时解决很容易，等到严重了再补救就难了。

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, art requires of its practitioners not talent alone, but a certain kind of temperament.

最好的设计是那些能解决问题而不会带来新问题的设计。

知识分子中最大的一些身份错乱就是他们很难记得住自己不是上帝。