"What is the mystery?"
"I said I knew the original of that picture."
"You did."
"I will say I know one for whom that picture might be taken as a portrait."
"You do?"
"I do."
"Who is the person?"
The old man was again all eagerness and attention.
"I will not say yet, but I would like to know who the real original of the picture is."
"I would first like to know who you are and how you dared force an entrance into my house."