自动机和形式语言的研究对于理解计算的极限是基础性的。
The study of automata and formal languages is fundamental to understanding the limits of computation.
The most important challenge facing the world today is the need to create strong, effective, and accountable states in the developing world.
朗兰兹纲领是对数学如何统一的一种愿景。
热力学第二定律只不过是一个统计定律。