For 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 McLuhanThere are many people for whom 'thinking' necessarily means identifying with existing trends.
Marshall McLuhanPersons grouped around a fire or candle for warmth or light are less able to pursue independent thoughts, or even tasks, than people supplied with electric light. In the same way, the social and educational patterns latent in automation are those of self-employment and artistic autonomy.
Marshall McLuhan