"...A brave new world. There isn't anything really like that, is there?" "You don't believe in it?" "Do you?" "There is always a brave new world," sa… - Agatha Christie

There is always a brave new world,” said Poirot, “but only, you know, for very special people. The lucky ones. The ones who carry the making of that world within themselves.

They conceive a certain theory, and everything has to fit into that theory. If one little fact will not fit it, they throw it aside. But it is always the facts that will not fit in that are significant.

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

Curious things, habits. People themselves never knew they had them.

[Witness for the Prosecution, also published in The Hound of Death and Other Stories.]