Only puny secrets need protection. Big discoveries are protected by public incredulity.

The potential of any technology is always dissipated by its users involvement in its predecessors...Computer are still serving mainly to sustain precomputer effects.

One thing about which fish know exactly nothing is water, since they have no anti-environment which would enable them to perceive the element they live in.

All media work us over completely. They are so pervasive in their personal, political, economic, aesthetic, psychological, moral, ethical, and social consequences that they leave no part of us untouched, unaffected, unaltered. The medium is the message. Any understanding of social and cultural change is impossible without a knowledge of the way media work as environments. All media are extensions of some human faculty - psychic or physical.

Radio affects most intimately, person-to-person, offering a world of unspoken communication between writer-speaker and the listener.

The content or message of any particular medium has about as much importance as the stenciling on the casing of an atomic bomb.

Literacy, the visual technology, dissolved the tribal magic by means of its stress on fragmentation and specialization and created the individual.