He is like a cat. And all cats are thieves.Agatha Christie, Murder for Christmas (1939)
I do not argue with obstinate men. I act in spite of them.Hecule Poirot in The Mystery of the Blue Train
How true is the saying that man was forced to invent work in order to escape the strain of having to think.Agatha Christie, Death on the Nile (1937)
Understand this, I mean to arrive at the truth. The truth, however ugly in itself, is always curious and beautiful to seekers after it.Hecule Poirot in The Murder of Roger Ackroyd