The challenge in cryptography is not just to create unbreakable codes, but to create systems that remain secure even as technology evolves.
暴力中没有长存的希望，只能从绝望中得到暂时的解脱。
The aim of every artist is to arrest motion, which is life, by artificial means and hold it fixed so that a hundred years later, when a stranger looks at it, it moves again since it is life.