She didn't give George any too easy a time when she was alive. She was one of those semi-invalids – I believe she had really something wrong with her, but whatever it was she played it for all it was worth. She was capricious, exacting, unreasonable. She complained from morning to night. George was expected to wait on her, hand and foot and everything he did was always wrong and he got cursed for it. Most men, I'm fully convinced, would have hit her with a hatchet long ago.

One of the saddest things in life, is the things one remembers.

I specialize in murders of quiet, domestic interest.

Does the real thing ever have the perfection of a stage performance?

The past is the father of the present.

Poirot said placidly, “One does not, you know, employ merely the muscles. I do not need to bend and measure the footprints and pick up the cigarette ends and examine the bent blades of grass. It is enough for me to sit back in my chair and think. It is this – ” he tapped his egg-shaped head – “this, that functions!

Three months seems to me quite a reasonable time to complete a book, if one can get right down to it.