Marshall McLuhan Quotes about Time
Relativity theory forced the abandonment, in principle, of absolute space and absolute time.
"Laws of Media: The New Science (with Eric McLuhan)". Book by Marshall McLuhan (p. 43), 1988.
The content or time-clothing of any medium or culture is the preceding medium or culture.
"Culture Is Our Business" by Marshall McLuhan, (p. 168), 1970.