Crime is terribly revealing. Try and vary your methods as you will, your tastes, your habits, your attitude of mind, and your soul is revealed by your actions.

It's like all those quiet people, when they do lose their tempers they lose them with a vengeance.

I've got a stomach now as well as a behind. And I mean - well, you can't pull it in both ways, can you? ... I've made it a rule to pull in my stomach and let my behind look after itself.

Never do anything yourself that others can do for you.

At the small table, sitting very upright, was one of the ugliest old ladies he had ever seen. It was an ugliness of distinction - it fascinated rather than repelled.

There are many things that are unbelievable. Especially before breakfast, is it not? That is what one of your classics says. Six impossible things before breakfast.

Hercule Poirot: I am an imbecile. I see only half of the picture. Miss Lemon: I don't even see that.