Nobody ever made a grammatical error in a non-literate society. (p. 271) - Marshall McLuhan

Language does for intelligence what the wheel does for the feet and the body. It enables them to move from thing to thing with greater ease and speed and ever less involvement. (p. 113)

For the oral man the literal text contains all possible levels of meaning. (p. 126)

With the arrival of electric technology, man has extended, or set outside himself, a live model of the central nervous system itself. To the degree that this is so, it is a development that suggests a desperate suicidal autoamputation, as if the central nervous system could no longer depend on the physical organs to be protective buffers against the slings and arrows of outrageous mechanism.