“Any coincidencce is worth noticing. You can throw it away later if it is only a coincidence.”

“You're a man milliner, Poirot. I never notice what people have on.""You should join a nudist colony”

“Nobody believes in magicians any more, nobody believes that anyone can come along and wave a wand and turn you into a frog. But if you read in the paper that by injecting certain glands scientists can alter your vital tissues and you'll develop froglike characteristics, well, everybody would believe that.”

“I have always noticed that these artists and writers are very unbalanced”

“What are the years from twenty to forty? Fettered and bound by personal and emotional relationships. That's bound to be. That's living. But later there's a new stage. You can think, observe life, discover something about other people and the truth about yourself. Life becomes real--significant. You see it as a whole. Not just one scene--the scene you, as an actor, are playing. No man or woman is actually himself (or herself) till after forty-five. That's when individuality has a chance.”

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

“They conceive a certain theory, and everything has to fit into that theory. If one little fact will not fit it, they throw it aside. But it is always the facts that will not fit in that are significant.”