“You have a tendency, Hastings, to prefer the least likely. That, no doubt, is from reading too many detective stories.”
“You surprise me, Hastings. Do you not know that all celebrated detectives have brothers who would be even more celebrated than they are were it not for constitutional indolence?”
“Miss Howard: Like a good detective story myself. Lots of nonsense written, though. Criminal discovered in last Chapter. Everyone dumbfounded. Real crime - you'd know at once.”
“Vous eprouves trop d'emotion, Hastings, It affects your hands and your wits. Is that a way to fold a coat? And regard what you have done to my pyjamas. If the hairwash breaks what will befall them?''Good heavens, Poirot,' I cried, 'this is a matter of life and death. What does it matter what happens to our clothes?''You have no sense of proportion Hastings. We cannot catch a train earlier than the time that it leaves, and to ruin one's clothes will not be the least helpful in preventing a murder.”
“Unless you are good at guessing, it is not much use being a detective.”
“There is too much tendency to attribute to God the evils that man does of his own free will. I must concede you the Devil. God doesn't really need to punish us, Miss Barton. We're so busy punishing ourselves.”
“So you think that the coco- mark well what I say, Hastings, the coco- contained strychnine?" "Of course! That salt on the tray, what else could it have been?" "It might have been salt." replied Poirot placidly.”