A dictionary of Marshall McLuhan’s quotations

Compiled by William Kuhns
©2026 Marshall McLuhan Estate

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The reversal aspect of the tetrad is succinctly exemplified in a maxim from information theory: data overload equals pattern recognition. Any word of process or form, pushed to the limit of its potential, reverses its characteristics and becomes a complementary form, just as the airplane, pushed to the limit of its potential, reverses its controls when it passes the “sound barrier.” Money (hardware), when pushed to its limit, reverses into the lack of money, that is credit (software or information), and the credit card. At high speed or in great quantity, the motor car reverts to nautical form, and traffic (or a crowd) “flows.”
Laws of Media: The New Science with Eric McLuhan, (1988), pp 107-108
Quote #3431
Year: 1988
Chapter: LOM 4 - Flip, or Reverse into the Opposite

Drawn to McLuhan #14

Illustration progressing from a bare-chested tribal man writing by hand on the left, through a red-threaded ghostly bearded figure overlapping a young man typing at a laptop, to streams of glowing green binary code flowing off to the right.
“Today we experience in reverse what preliterate man faced with writing.”
Surreal painterly illustration of anthropomorphic roses with human faces in a garden, expressing anger, grief, and sorrow, one holding a thorned whip, one weeping, one bleeding, and one reading a letter with a quill.
“The private psyche may be an artificial monster or the most precious discovery.”
Four-panel illustration in dark, moody tones showing people being watched through everyday technology: a woman checking a location app, a neighbor peering through blinds, a smart speaker listening in a kitchen, and teens on phones in a school hallway.
“The entire planet has become a whispering gallery, with a large portion of mankind engaged in making its living by keeping the rest of mankind under surveillance.”
Comic-style illustration of an older lecturer at a podium addressing a classroom, gesturing toward a student with a raised hand, with a speech bubble of bold text above him and equations on the blackboard behind.
“That question is so stupid that it deserves an answer.”
Split image contrasting ancient petroglyph carvings of a bird, a hand, and a wolf on a stone surface with a glowing circular digital portal containing the same bird, hand, and wolf as emoji, set against a futuristic city skyline at dusk.
“Primitive man always thought that they made the world, that they wound it up and renewed its energies by their rituals. Are we not moving very much back into that state?”
Cartoon of a distraught teenage boy hurling his phone across a living room while shouting about being unfriended, as his startled parents watch from the couch
“Perhaps the terrifying thing about the new media for most of us is the inevitable evocation of irrational response.”
Illustrated scene of an older man and a young man facing each other in a diner booth over coffee, while outside the window a uniform crowd of people in pointed dunce caps files past.
“It has taken me a long time to take stupidity and indifference for granted as a universal and irremediable human condition.”
Cartoon illustration of a giant robot in a city street gathering white eggs into a basket, gathered from a dense crowd of people below, each topped with an empty speech bubble.
“Information is the distillate of human chatter.”
Sepia-toned illustration of a man in a leather jacket standing with a raised fist and hand on hip between two towering columns of stacked books lining a cobblestone street.
“I am an intellectual thug who has been slowly accumulating a private arsenal with every intention of using it.” (in a 1950 letter to Ezra Pound)
Photograph of a young woman in a coffee shop holding up her smartphone, which displays a glowing image of a human brain on its screen, as she studies it intently.
“We have become an organism that now wears its brain outside its skull and its nerves outside its hide.”
© The Estate of Marshall McLuhan