"Mr. Satterthwaite looked cheered. Suddenly an idea struck him. His jaw fell. "My goodness," he cried, "I've only just realized it! That rascal, with his poisoned cocktail! Anyone might have drunk it! It might have been me!" "There is an even more terrible possibility that you have not considered," said Poirot. "Eh?" "It might have been me," said Hercule 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
There was only one thing about his own appearance which really pleased Hercule Poirot, and that was the profusion of his moustaches, and the way they responded to grooming and treatment and trimming. They were magnificent. He knew of nobody else who had any moustache half as good.