As technical people, we are apt to be preoccupied with scores, not competence... - Neil Postman

We might say that a technology is to a medium as the brain is to the mind.

Since most subjects studied in school consist largely of theories... language education must include not only the serious study of what truth and falsehood mean in the context of a subject, but also what is meant by a fact, an inference, an assumption, a judgment, a generalization... In this way students will be learning both the language of a subject and the methods of inquiry in that subject, since inquiry consists of nothing else but the generation of questions, the invention of definitions and metaphors, the separation of facts from inferences, the forming of generalizations...

Think of Richard Nixon or Jimmy Carter or Billy Graham, or even Albert Einstein, and what will come to your mind is an image, a picture of face, (in Einstein's case, a photograph of a face). Of words, nothing will come to mind. This is the difference between thinking in a word-centered culture and thinking in an image-centered culture.