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

The boundaries of our knowledge are the frontiers of our curiosity.

所以从前的贤君按照农事来生财，巩固根本并节约用度，财务自然就丰足了。 

艺术作品是艺术家与其材料之间斗争的结果。