“Words, madmoiselle, are only the outer clothing of ideas.”

“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.”

“In an English village, you turn over a stone and have no idea what will crawl out.Miss Marple”

“I don't know. I don't know at all. And that's what's frightening the life out of me. To have no idea....”

“Some of us, in the words of the divine Greta Garbo, want to be alone.”

“Intuition is like reading a word without having to spell it out. A child can't do that because it has had so little experience. A grown-up person knows the word because they've seen it often before.”

“Plots come to me at such odd moments, when I am walking along the street, or examining a hat shop…suddenly a splendid idea comes into my head.”