There are more important things than finding the murderer. And justice is a fine word, but it is sometimes difficult to say exactly what one means by it. In my opinion, the important thing is to clear the innocent. - Hercule Poirot

A weak man in a corner is more dangerous than a strong man.

Never tell all you know—not even to the person you know best.

A man when he is making up to anybody can be cordial and gallant and full of little attentions and altogether charming. But when a man is really in love he can't help looking like a sheep.

People who can be very good can be very bad too.

It's astonishing in this world how things don't turn out at all the way you expect them to.

Three months seems to me quite a reasonable time to complete a book, if one can get right down to it.