“More than sixty years ago, mathematical logicians, by defining precisely the concept of an algorithm, gave content to the ancient human idea of an effective calculation. Their definitions led to the creation of the digital computer, an interesting example of thought bending matter to its ends.”
“Sometimes, as she sat knitting, aware that William’s eyes were on her face, she felt her breath tightening in a way that was strange and not unpleasant. Then, just as suddenly, rebellion would rise in her. He was so sure! Without even asking, he was reckoning on her as deliberately as he calculated his growing pile of lumber.”