The adventures of Sherlock Holmes and Dr. Watson: King of blackmail (№ 246894)

- This dust, Mr. Holmes, it is entirely on your conscience. You did not give me to clean your room! And so there may appear the dust.
Mrs Hudson! If I had my way, I would have banned cleaning. All, always and everywhere! Your maid, Mrs. Hudson, is tantamount to chipping hieroglyphics on Egyptian stones. After your cleaning, all the Egyptologists would have remained without work. Their eyes would appear... perfectly smooth stones, without any signs of information!