Environments are not just containers, but are processes that change the content totally. - Marshall McLuhan

The metropolis today is a classroom; the ads are its teachers. The traditional classroom is an obsolete detention home, a feudal dungeon. (p. 12)

The world of the Greeks illustrates why visual appearances cannot interest people before the interiorization of alphabetic technology. (p. 61)

The increase of visual stress among the Greeks alienated them from the primitive art that the electronic age now reinvents after interiorizing the “unified field” of electric all-at-onceness. (p. 72)