I never can stand seeing people pleased with themselves,” said Joanna. “It arouses all my worst instincts.

Many homicidal lunatics are very quiet, unassuming people. Delightful fellows.

There are doubtless certain unworldly people who are indifferent to money. I myself have never met one.

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!

With thought, all problems can be resolved.

You're shocked, Mr. Burton, at hearing what our gossiping little town thinks. I can tell you this - they always think the worst!

An archaeologist is the best husband a woman can have. The older she gets the more interested he is in her.