Exploring the creativity of mind through children's language: how the tiniest utterances can illustrate the simple but abstract principles behind modern grammar-and reveal the innate structures of the mind. Every sentence we hear is instantly analyzed by an inner grammar; just as a prism refracts a beam of light, grammar divides a stream of sound, linking diverse strings of information to different domains of mind-memory, vision, emotions, intentions. In The Prism of Grammar, Tom Roeper bring...