too much safety is abhorrent to the nature of a human being.

For in the long run, either through a lie, or through truth, people were bound to give themselves away.

It is completely unimportant. That is why it is so interesting.

It is ridiculous to set a detective story in New York City. New York City is itself a detective story.

there is no fanatic like a religious fanatic.

Don't think. That is the wrong way to bring anything back. Let it go. Sooner or later it will flash into your mind.

My remarks are, as always, apt, sound, and to the point. (Hercule Poirot)