Nowadays, no one believes in evil. It is considered, at most, a mere negation of good. Evil, people say, is done by those who know no better - who ar… - Agatha Christie

"He dragged me back - just in time. A tree had crashed down on to the side walk, just missing us. Poirot stared at it, pale and upset.
"It was a near thing that! But clumsy, all the same - for I had no suspicion - at least hardly any suspicion. Yes, but for my quick eyes, the eyes of a cat, Hercule Poirot might now be crushed out of existence - a terrible calamity for the world. And you, too, mon ami - though that would not be such a national catastrophe."
"Thank you," I said coldly."

‘Yes, my friend,’ he said. ‘It is so easy to be an American — here in Paris! A nasal voice — the chewing gum — the little goatee — the horned-rimmed spectacles — all the appurtenances of the stage American…’

"It often seems to me that's all detective work is, wiping out your false starts and beginning again."

"Yes, it is very true, that. And it is just what some people will not do. 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."