"To commit a successful murder must be very much like bringing off a conjuring trick."

“Words had become to him a means of obscuring facts — not of revealing them. He was an adept in the art of the useful phrase — that is to say the phrase that falls soothingly on the ear and is quite empty of meaning.”

“The rottenness comes from within.”

“It would be difficult Bland thought, to forget Hercule Poirot, and this not entirely for complimentary reasons.”

“Ah, my friend, one may live in a big house and yet have no comfort.”

“We had three servants, which was a minimum then.”

“‘I have often noticed that being a devoted wife saps the intellect,’ murmured Tommy.”