As you yourself have said, what other explanation can there be?' Poirot stared straight ahead of him. 'That is what I ask myself,' he said. 'That is what I never cease to ask myself.

No, my friend, I am not drunk. I have just been to the dentist, and need not return for another six months! Is it not the most beautiful thought? --Poirot

There speaks the passion and the rebellion that go with red hair. My second wife had red hair. She was a beautiful woman, and she loved me. Strange, is it not? I have always admired red-haired women. Your hair is very beautiful. There are other things I like about you. Your spirit, your courage; the fact that you have a mind of your own. ~Mr. Aristides

Never tell all you know—not even to the person you know best.

I would like it to be said that I was a good writer of detective and thriller stories.

I didn't want to work. It was as simple as that. I distrusted work, disliked it. I thought it was a very bad thing that the human race had unfortunately invented for itself.

They tried to be too clever---and that was their undoing.