"Look here!" I observed, after she had argued that point at some length, "let us come back to the original subject of discussion. Which of us travels most to and from London? That is the reasonable way to settle it."
"You do, on week-days. But you never go on Sundays, and the Sunday trains are different."
"I am fully aware of the difference. Every day I am thrown into constant contact with the time-tables. Only last night I was looking at them at the station. As far as I know, my memory is not going."
"No more is mine."
"Really? A week ago I purchased and brought home six new collars. They are not marked. Why? Because you forgot them! At this very moment that I am speaking to you I am wearing an unmarked collar."
"Yes; but I only forgot them one day."
"Then why did you not mark them on the other days?"
"Because on the other days you forgot to bring home the marking-ink."
"'M, yes," I said. "In a sense that is true. I have my own business to attend to in the city without always thinking about marking-ink. But what has that got to do with it? And why bring it in? We are not talking about marking-ink; we are talking about trains!"