"Home isn't a place, it's a feeling."

The general will is always right， but the judgment which guides it is not always enlightened.

历史学家必须是诗人，不是为了创造，而是为了重新创造。

"Mathematics is not a spectator sport."

要理解安全通信的未来，首先必须理解当前密码学方法的局限性。

一只眼睛的人可以用来看水平仪，有毒的石头可以用来治疗痈疽。