“Mrs. Cavendish: I am charming to my friends one day, and forget all about them the next.”

“I just woke up feeling happy this morning. You know those days when everything in the world seems right.”

“Fortunately words, ingeniously used, will serve to mask the ugliness of naked facts.”

“How fast you go. You arrive at a conclusion much sooner than I would permit myself to do.”

“The rottenness comes from within.”

“When the fact doesn't meet the theory then let go the theory.”

“The expected has happened, and when the expected happens, it always causes me emotion.”

“There are questions that you don't ask because you're afraid of the answers to them.”

“This is no time for refusing to look facts in the face.”

“The truth is people are an extraordinary mixture of heroism and cowardice.”

“Alas," murmured Poirot to his mustaches, "that one can only eat three times a day ...”

“No innocent person ever has an alibi.”

“Because when you’re in love, you think you’re invincible. It blinds you. And you don’t seem to care.”

“How little you might know of a person after living in the same house with them!”

“What they need is a little immorality in their lives. Then they wouldn't be so busy looking for it in other people's.”

“Do you not realize, Hastings, that each and everyone of us is a complete mystery with layers. We each try to judge each other, but nine times out of ten, we are wrong.”

“The things young women read nowadays and profess to enjoy positively frighten me.”

“fiction is founded on truth... unless things did happen, people couldn't think of them.”

“I never can stand seeing people pleased with themselves,” said Joanna. “It arouses all my worst instincts.”

“That's the secret of existence. We're all a little mad.”

“Speech, so a wise old Frenchman said to me once, is an invention of man's to prevent him from thinking.”

“Oh! money! All the troubles in the world can be put down to money—or the lack of it.”

“Imagination is a good servant, and a bad master.”

“I find most of the human race extraordinarily repulsive. They probably reciprocate this feeling.”