Tactility is space of the interval. - Marshall McLuhan

… my father thought the whole idea was absurd. He refused to identify the stream he had crossed at Bomako, where it is no deeper, he said, than a man is high, with the great widespread waters of the vast Niger delta. Distances as measured in miles had no meaning for him … Maps are liars, he told me briefly. From his tone of voice I could tell that I had offended him in some way not known to me at the time. The things that hurt one do not show on a map. The truth of a place is in the joy and the hurt that come from it. I had best not put my trust in anything as inadequate as a map, he counseled … I understand now, although I did not at the time, that my airy and easy sweep of map-traced staggering distances belittled the journeys he had measured on tired feet. With my big map-talk, I had effaced the magnitude of his cargo-laden, heat-weighted treks.

Environments are invisible. Their groundrules, pervasive structure, and overall patterns elude easy perception.

Psychic communal integration, made possible at last by the electronic media, could create the universality of consciousness foreseen by Dante when he predicted that men would continue as no more than broken fragments until they were unified into an inclusive consciousness...This is a new interpretation of the mystical body of Christ; and Christ, after all, is the ultimate extension of man.