To put it quite crudely ... the poor don't really know how the rich live, and the rich don't know how the poor live, and to find out is really enchanting to both of them.
Curious things, habits. People themselves never knew they had them. [Witness for the Prosecution, also published in The Hound of Death and Other Stories.]
How often have I not heard a perfectly intelligent female says, in the tone of one clinching an argument, 'Edgar says -- ' And all the time you are perfectly aware that Edgar is a perfect fool.
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
I have always admired the Esquimaux (Eskimos). One fine day a delicious meal is cooked for dear old mother, and then she goes walking away over the ice, and doesn't come back.