“My friend, in working upon a case, one does not take into account only the things that are "mentioned". There is no reason to mention many things which may be important. Equally, there is often an excellent reason for not mentioning them.”

“One of the oddest things in life, as we all know, is the way that when you have heard a thing mentioned, within twenty-four hours you nearly always come across it again.”

“It is the quietest and meekest people who are often capable of the most sudden and unexpected violence for the reason that when their control does snap, it goes entirely.”

“There are more important things than finding the murderer. And justice is a fine word, but it is sometimes difficult to say exactly what one means by it. In my opinion, the important thing is to clear the innocent. - Hercule Poirot”

“Words are such uncertain things, they so often sound well but mean the opposite of what one thinks they do.”

“Ah, but life is like that! It does not permit you to arrange and order it as you will. It will not permit you to escape emotion, to live by the intellect and by reason! You cannot say, 'I will feel so much and no more.' Life, Mr. Welman, whatever else it is, is not reasonable. [Hercule Poirot]”

“I gather," he added, "that you've never had much time to study the classics?""That is so.""Pity. Pity. You've missed a lot. Everyone should be made to study the classics, if I had my way."Poirot shrugged his shoulders."Eh bien, I have got on very well without them.""Got on! Got on? It's not a question of getting on. That's the wrong view all together. The classics aren't a ladder leading to quick success, like a modern correspondence course! It's not a man's working hours that are important--it's his leisure hours. That's the mistake we all make. Take yourself now, you're getting on, you'll be wanting to get out of things, to take things easy--what are you going to do then with your leisure hours?”