Poirot: I do not approve of murder.
Delivery man: A parrot for Mr Poy-rott
Poirot: Non, non, non, it is ‘Pwa-ro’
Delivery man: Sorry guv, a pwa-ro for Mr Poy-rott
Hastings: Good lord!
Poirot: You see, mon ami, the voices of the little grey cells have begun to sing to Poirot.
Major Despard: We all make mistakes. Even you, I dare say, have a failure now and then.
Poirot: Well, the last one was 28 years ago.