" Pleased to meet you, I'm sure," he observed as he sniffed round our ankles. "Excuse the noise, won't you, but I have my job to do. Got to be careful who we let in, you know. But it's a dull life and I'm really quite pleased to see a visitor. Dogs of your own, I fancy? "
― Agatha Christie , Dumb Witness (Hercule Poirot, #15)