Marshall McLuhan

If the criminal appears as a nonconformist who is unable to meet the demand of technology that we behave in uniform and continuous patterns, literate man is quite inclined to see others who cannot conform as somewhat. (p. 31)

The "message" of any medium or technology is the change of scale or pace or pattern that it introduces into human affairs. (p. 8)

It is experience, rather than understanding, that influences behaviour.

The press is a group confessional form that provides communal participation. The book is a private confessional form that provides a “point of view.” (p. 204)

One of the many effects of television on radio has been to shift radio from an entertainment medium into a kind of nervous information system. (p. 298)

The medium is the message.