"There's no reason why women shouldn't behave like rational beings," Simon asserted stolidly. Poirot said drily: "Quite frequently they do. That is e… - Agatha Christie

The tear rose in Miss Marple's eyes. Succeeding pity, there came anger - anger against a heartless killer. And then, displacing both these emotions, there came a surge of triumph - the triumph some specialist might feel who has successfully reconstructed an extinct animal from a fragment of jawbone and a couple of teeth.

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

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

Do you not realize, Hastings, that each and everyone of us is a complete mystery with layers. We each try to judge each other, but nine times out of ten, we are wrong.