“Why the worst women should always attract the best men is something hard to fathom!”

“It is really a hard life. Men will not be nice to you if you are not good-looking, and women will not be nice to you if you are.”

“The amount of missing girls I've had to trace and their family and their friends always say the same thing. 'She was a bright and affectionate disposition and had no men friends'. That's never true. It's unnatural. Girls ought to have men friends. If not, then there's something wrong about them....”

“There is the natural liar...Always says the thing that sounds best.”

“Why shouldn't I hate her? She did the worst thing to me that anyone can do to anyone else. Let them believe that they're loved and wanted and then show them that it's all a sham.”

“Everybody always knows something," said Adam, "even if it's something they don't know they know.”

“There's no reason why women shouldn't behave like rational beings," Simon asserted stolidly.Poirot said drily: "Quite frequently they do. That is even more upsetting!”