The challenge in cryptography is not just to create unbreakable codes, but to create systems that remain secure even as technology evolves.

I cannot and will not cut my conscience to fit this year's fashions.

细节不是细节；它们构成了设计。

真正的革命始于语言，始于以另一种方式命名世界的能力。

一个民族的活力随天气而变化。