Cryptography is the art of transforming information into a form that is unintelligible to anyone who does not possess the key to unlock it.

过去塑造现在，现在塑造未来。

The simplest solutions are often the most elegant.

我相信教育改变世界的力量。

I must study politics and war, tapestry and porcelain.

伟大的沙漠为了绿叶的爱而燃烧，而她摇摇头、笑著、飞走了。