picture, there are no half tones, no shadows, and above all--or
perhaps I should say behind all--no background. A thing is good or
bad--black or white--blue or red. We are mostly posters here in this
great big, dazzling country."

In the silence that fell on them, the young man's mind went limping
back to the old doctor's first words--the dreadful, fateful,
significant words. He had said it--said the thing that if it were true
would exile him from the world he loved! On him the ban had fallen!

"I suppose," said he, standing behind his chair, whose back he held
with nervous fingers, "there is no chance that you might be mistaken.
It is hard for me to believe this. I am so strong--so well--so much
alive, except my cough--I am as well as ever I was, and the cough is a
simple thing--this seems impossible to me!"

The old doctor had gone to the window to watch the throng of boys
and girls who raced past on their way to the hill for an evening's
sleigh-ride.

"It always seems impossible," he said, with the air of a man who is
totally disassociated from human affairs, and is simply stating an
interesting fact, "that is part of the disease, and a very attractive
part too. The people who have it, never think they have--even to the
last they are hopeful--and sure they will be better tomorrow. No, I am
afraid I am not mistaken. You know yourself the theory Clay, of the
two sets of microbes, the builders and the destroyers. Just at the
present moment, the destroyers have the best of it--they have put one
over on the builders--but that does not say that the good microbes are
not working--and may yet win. You are young, buoyant, happy, hopeful,