I did not deceive you, mon ami. At most, I permitted you to deceive yourself.

I admit," I said, "that a second murder in a book often cheers things up." - Hastings

Poirot," I said. "I have been thinking." "An admirable exercise my friend. Continue it.

There are some people who don't conform to the signals. An ordinary well-regulated locomotive slows down or pulls up when it sees the red light hoisted against it. Perhaps I was born color blind. When I see the red signal -- I can't help forging ahead. And in the end, you know, that spells disaster.

Downstairs in the lounge, by the third pillar from the left, there sits an old lady with a sweet, placid, spinsterish face and a mind that has plumbed the depths of human iniquity and taken it all as in the day's work....where crime is concerned, she's the goods.

A mother's love for her child is like nothing else in the world.

Sitting here with one's knitting, one just sees the facts. -"The Blood-Stained Pavement