"The past is always present in the stories we tell."

Why is it that when one man builds a wall, the next man immediately needs to know what's on the other side?

Transparency and accountability must be at the heart of how energy companies operate.

形式化方法不是银弹，但它们是追求可靠系统的重要工具。

抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。