One of us in this very room is in fact the murderer.

... it's always interesting when one doesn't see. If you don't see what a thing means, you must be looking at it wrong way round.

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.

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.

Self-preservation's a man's first duty. And natives don't mind dying, you know. They don't feel about it as Europeans do.

There was a moment when I changed from an amateur to a professional. I assumed the burden of a profession, which is to write even when you don't want to, don't much like what you're writing, and aren't writing particularly well

I have no pity for myself either. So let it be Veronal. But I wish Hercule Poirot had never retired from work and come here to grow vegetable marrows.