- Hercule Poirot: People like to talk, and in doing so they tell the truth. It puts less of a strain on the memory.
- Mrs. Emily Boynton: I never forget. Remember that. I never forget anything. Not an action, not a name, not a face.
- Nadine Boynton: Why do you think Mrs. Boynton was murdered, Monsieur Poirot?
- Hercule Poirot: Well, from all I've heard, it's difficult to understand why she wasn't murdered before.