At the same time, he acknowledges many mysteries: we do not know what our “gut feelings” contain, though they are central to humanity and dignity. They may also contain amalgams combined from different modules in ways we do not understand, but which also may ultimately submit to mathematical representation. The book situates grammar in the broader sciences in a manner accessible to the generally educated student or curious layman. It is a superb introduction to the fundamental role of generative thought in modern cognitive science, weaving together psychological, biological, and philosophical perspectives.