Relativity theory forced the abandonment, in principle, of absolute space and absolute time.
Marshall McLuhanMan works when he is partially involved. When he is totally involved he is at play or leisure.
Marshall McLuhanFor those for whom the sex act has come to seem mechanical and merely the meeting and manipulation of body parts, there often remains a hunger which can be called metaphysical but which is not recognized as such, and which seeks satisfaction in physical danger, or sometimes in torture, suicide, or murder.
Marshall McLuhanAll 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.
Marshall McLuhan