But, of course, I did not look at her intently.

Having returned her property and received her acknowledgments, I resumed my seat and left her to go on her way.
I had once more grasped the handle of the tea-pot when I made a rather curious discovery.

At the bottom of the tea-cup lay a single lump of sugar.

To the majority of persons it would have meant nothing.

They would have assumed that they had dropped it in and forgotten it and would have proceeded to pour out the tea.