宁要知识不要财富,因为一个是短暂的,另一个是永恒的。
自由是每个人做他想做的事情的自然能力,除非受到暴力或法律的禁止。
最好的设计来自于限制,而非无限的可能性。
Cryptography is the art of transforming information into a form that is unintelligible to anyone who does not possess the key to unlock it.