There is so much noise in the world today. There are so many voices competing for our attention. If you want to be heard, you almost have to shout.

During a typical lunch hour at the University of California at Berkeley, spokesmen for a dozen different causes can be found on the plaza, trying to outshout one another. One day a lone figure sat down defiantly in the middle of the crowd and held up a sign which said, "SILENT PROTEST." Someone tapped him on the shoulder and asked, "What are you protesting?" The defiant figure held up another sign whic…