A dictionary of Marshall McLuhan’s quotations

All metaphors have four components in analogical ratio. “Cats are the crabgrass of life” presents “cats are to (my) life as crabgrass is to an otherwise beautiful lawn”.
Laws of Media: The New Science with Eric McLuhan, (1988), p 93
Quote #274
Year: 1988
Chapter: Analogy
Compiled by William Kuhns
© 2026, The Estate of Marshall McLuhan