Darkness is to space what silence is to sound, i.e., the interval.

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.

New media may at first appear as mere codes of transmission for older achievement and established patterns of thought. But nobody could make the mistake of supposing that phonetic writing merely made it possible for the Greeks to set down in visual order what they had though and known before writing. In the same way printing made literature possible. It did not merely encode literature.

A moral point of view too often serves as a substitute for understanding in technological matters.

Most clear writing is a sign that there is no exploration going on. Clear prose indicates the absence of thought.

On Spaceship Earth there are no passengers; everybody is a member of the crew. We have moved into an age in which everybody's activities affect everybody else.

Sentimentality, like pornography, is fragmented emotion; a natural consequence of a high visual gradient in any culture.