Col. Johnny Race: What are you thinking?
Poirot: I was thinking of Molière: 'La grande ambition des femmes est d'inspirer l'amour'.
Col. Johnny Race: [sighs] I wish you'd speak some *known* language...
Poirot: The great ambition of women is to inspire love.

"It's more than likely, it has been my experience that men are least attracted to women who treat them well."
—Miss Bowers

Jim Ferguson: You damn froggy eavesdropper.
Poirot: Belgian! Belgian eavesdropper!

Hercule Poirot: Mon Dieu, j'ai faim.
Col. Johnny Race: [whispers] Poirot! You have a woman?
Hercule Poirot: Not femme, faim! I am... peckish