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I chose to deal with the science of cryptography. Cryptography began in mathematics. Codes were developed, even from Caesar's time, based on number theory and mathematical principles. I decided to use those principles and designed a work that is encoded.

我选择了密码学。密码学始于数学。甚至从凯撒时代起，编码就基于数论和数学原理而发展起来。我决定使用这些原则，并设计了一个编码的作品。

— Herbert James Sanborn Jr. 小赫伯特·詹姆斯·桑伯恩