Data is a precious thing and will last longer than the systems themselves.
译文：感叹白发，观察世间的道路。人们无不追求荣华，看重富贵而轻视贫贱。显赫的宫门，华丽的宫殿。年轻时入仕，幼年时就献上谋略。
The challenge in cryptography is not just to create unbreakable codes, but to create systems that remain secure even as technology evolves.