Which novel quote

MassimoFellettiMassimoFelletti Emilia-Romagna, Italy
in General Agatha Christie discussions
In which Christie novel Poirot does pronounce the famous phrase (used and abused everywhere): "One coincidence is just a coincidence, two coincidences are a clue, three coincidences are a proof" ?

Comments

  • GKCfanGKCfan Wisconsin, United States
    This question has been asked before, but I can't find that quote in any of Christie's novels, featuring Poirot or not.  I think that either it's a made-up quote or misattributed to Christie, or that it may be the product of a translation or an adaptation.
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