He looked up with a radiant smile.

"Put away those papers." Like a child he obeyed and scrambled to his feet.
Then, seeing the unfamiliar face of the doctor for the first time, he executed one of his politest and most elaborate bows.

The doctor after looking at him intently for a while, turned to me.
"Mad.

Utterly mad.

Apparently he has no consciousness of what he has done." He lured him to the sofa and sat beside him and began to talk in a low tone of the contents of the papers.