计算理论的美在于其抽象和概括的能力,将具体问题转化为通用解决方案。
Travel changes you. As you move through this life and this world you change things slightly, you leave marks behind, however small. And in return, life—and travel—leaves marks on you.
When we understand knowledge-based systems, it will be as before -- except our fingertips will have been singed.