数学的本质在于它的自由。

翻译：阳刚与阴柔相互推移，变化就在其中了。

The heart is a fragile thing, easily broken but also capable of incredible resilience.

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

我们都是进行中的实验。