Leslie Weatherhead tells the story of an old Scot who was quite ill, and the family called for their dominie, or minister. As he entered the sick room and sat down, he noticed another chair on the opposite side of the bed, a chair which had also been drawn close. The pastor said, "Well, Donald, I see I'm not your first visitor for the day."

The old man looked up, was puzzled for a moment, then recognized from the nod of the head that the pastor had noticed the empty chair.…