“Now that you remind me of the fact, it is true that there is one thing more. It would be most unwise on your part to attempt to silence me as you silenced M. Ackroyd. That kind of business does not succeed against Hercule Poirot, you understand.”
“My dear Poirot,” I said, smiling a little, “whatever else I may be, I am not a fool.”
I rose to my feet.
“Well, well,” I said, with a slight yawn, “I must be off home. Thank you for a most interesting and instructive evening.”
Poirot also rose and bowed with his accustomed politeness as I passed out of the room.