Who are you? You don't belong to the police?' 'I am better than the police,' said Poirot. He said it without conscious arrogance. It was, to him, a simple statement of fact.

God bless my soul, woman, the more personal you are the better! This is a story of human beings - not dummies! Be personal - be prejudiced - be catty - be anything you please! Write the thing your own way. We can always prune out the bits that are libellous afterwards!

The best time to plan a book is while you're doing the dishes.

And yet," said Poirot, "suppose an accident-" "Ah, no, my friend-" "From your point of view it would be regrettable, I agree. But nevertheless let us just for one moment suppose it. Then, perhaps, all these here are linked together - by death.

I'm not often bored,' I assured her. "Life's not long enough for that.

That is what I mean. A bath! The receptacle of porcelain, one turns the taps and fills it, one gets in, one gets out and ghoosh - ghoosh - ghoosh, the water goes down the waste pipe!" "M. Poirot are you quite mad?" "No, I am extremely sane.

The simplest explanation is always the most likely.