密码学是将信息转换成一种形式，使任何没有解锁密钥的人都无法理解的艺术。
Cryptography is the art of transforming information into a form that is unintelligible to anyone who does not possess the key to unlock it.
I tend to think that the longer the pause, the more emphatic the statement.
不幸的根源不仅仅在于邪恶与算计，更在于困惑与误解；最重要的是，人们未能理解一个简单的真理：别人和你一样，都是真实存在的。
We must balance the need for energy today with the imperative of protecting the planet for tomorrow.
我们必须平衡当今的能源需求与保护地球未来的必要性。
The actor must be able to create a world and then live in it.
