Pilar — remember — nothing is so boring as devotion. - Agatha Christie

Never mind. I knew — that was the great thing.

"And yet," said Poirot, "suppose an accident-"
"Ah, no, my friend-"
"From your point of view it would be regrettable, I agree. But nevertheless let us just for one moment suppose it. Then, perhaps, all these here are linked together - by death."

"Mademoiselle," I said, "it is sometimes difficult for a dog to find a scent, but once he has found it, nothing on earth will make him leave it! That is if he is a good dog! And I, mademoiselle, I, Hercule Poirot, am a very good dog."