Hallowe'en Party (Hercule Poirot, #41)

by Agatha Christie

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

“Old sins have long shadows,” quoted Poirot. “As we advance through life, we learn the truth of that saying.

“There is always a brave new world,” said Poirot, “but only, you know, for very special people. The lucky ones. The ones who carry the making of that world within themselves.”

“The past is the father of the present,” said Poirot sententiously.