“The purpose of this equipment is not merely to remove the student from reciprocal human contacts, but likewise to isolate him from intercourse with any part of the real world except that which has been programmed for him by a higher authority, so that he will be more completely under the control of the megamachine. Once this system is firmly established, not merely learning but all other human transactions would take place through official channels, and under the constant surveillance of a central authority. This is not education but animal training.”