“But I know human nature, my friend, and I tell you that, suddenly confronted with the possibility of being tried for murder, the most innocent person will lose his head and do the most absurd things.”

“There is no telling what a human character is. Until the test comes. To most of us the test comes early in life. A man is confronted quite soon with the necessity to stand on his own feet, to face dangers and difficulties and to take his own line of dealing with them. It may be the straight way, it may be the crooked way --- whichever it is, a man usually learns early just what he is made of.”

“I know there's a proverb which that says 'To err is human,' but a human error is nothing to what a computer can do if it tries.”

“No, my friend, I am not drunk. I have just been to the dentist, and need not return for another six months! Is it not the most beautiful thought?--Poirot”

“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”

“You've a pretty good nerve," said Ratchett. "Will twenty thousand dollars tempt you?"It will not."If you're holding out for more, you won't get it. I know what a thing's worth to me."I, also M. Ratchett."What's wrong with my proposition?"Poirot rose. "If you will forgive me for being personal - I do not like your face, M. Ratchett," he said.”

“What's wrong with my proposition?" Poirot rose. "If you will forgive me for being personal-I do not like your face, M. Ratchett.”