“First, you have to think and think and think and think; then you have to force yourself to write it down.”

“I mean, what can you say about how you write your books? What I mean is, first you've got to think of something, and then when you've thought of it you've got to force yourself to sit down and write it. That's all." ~ Mrs. Oliver”

“If you are to be Hercule Poirot, you must think of everything.”

“Poirot," I said. "I have been thinking.""An admirable exercise my friend. Continue it.”

“So you think that the coco- mark well what I say, Hastings, the coco- contained strychnine?" "Of course! That salt on the tray, what else could it have been?" "It might have been salt." replied Poirot placidly.”

“There is nothing more thrilling in this world, I think, than having a child that is yours, and yet is mysteriously a stranger.”

“You do think you know about everything," said her husband. I do," said Tuppence.”