"The clock," Mumford has concluded, "is a piece of power machinery whose 'product' is seconds and minutes." In manufacturing such a product, the clock has the effect of disassociating time from human events and thus nourishes the belief in an independent world of mathematically measurable sequences. Moment to moment, it turns out, is not God's conception, or nature's. It is man conversing with himself about and through a piece of machinery he created.
In Mumford's great book Technics and Civilization, he shows how, beginning in the fourteenth century, the clock made us into time-keepers, and then time-savers, and now time-servers. In the process, we have learned irreverence toward the sun and the seasons, for in a world made up of seconds and minutes, the authority of nature is superseded. Indeed, as Mumford points out, with the invention of the clock, Eternity ceased to serve as the measure and focus of human events. And thus, though few would have imagined the connection, the inexorable ticking of the clock may have had more to do with the weakening of God's supremacy than all the treatises produced by the philosophers of the Enlightenment; that is to say, the clock introduced a new form of conversation between man and God, in which God appears to have been the loser.excerpt from Postman, N. (1984). Amusing Ourselves to Death: Public Discourse in the Age of Show Business. New York: Penguin Books. (p. 11-12).