The rottenness comes from within.

There is nothing more thrilling in this world, I think, than having a child that is yours, and yet is mysteriously a stranger.

Very few of us are what we seem.

Beastly things, teeth. Give us trouble from the cradle to the grave.

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

To care passionately for another human creature brings always more sorrow than joy; but at the same time, Elinor, one would not be without experience. Anyone who has never really loved has never really lived.

Everyone likes talking about himself. - Hercule Poirot