"It is my experience that no one, in the course of conversation, can fail to give themselves away sooner or later. Everyone has an irresistible urge to talk about themselves."

"When a man's neck's in danger, he doesn't stop to think too much about sentiment."

"I'm not a feminist. I'm a woman."

"I have always been a great admirer of Hercule Poirot."

"Good advice is always certain to be ignored, but that's no reason not to give it."