The ideal reasoner, he remarked, would, when he had once been shown a single fact in all its bearings, deduce from it not only all the chain of events which led up to it but also all the results which would follow from it.
It is not really difficult to construct a series of inferences, each dependent upon its predecessor and each simple in itself. If, after doing so, one simply knocks out all the central inferences and presents one's audience with the starting-point and the conclusion, one may produce a startling, though perhaps a meretricious, effect.
It was in the days when France's power was already broken upon the seas, and when more of her three-deckers lay rotting in the Medway than were to be found in Brest harbour. But her frigates and corvettes still scoured the ocean, closely followed ever by those of her rival. At the uttermost ends of the earth these dainty vessels, with sweet names of girls or of flowers, mangled and shattered each other for the honour of the four yards of bunting which flapped from the end of their gaffs.
Man, or at least criminal man, has lost all enterprise and originality. As to my own little practice, it seems to be degenerating into an agency for recovering lost lead pencils and giving advice to young ladies from boarding-schools.
What a creature he was! Never have I felt such a horse between my knees. His great haunches gathered under him with every stride, and he shot forward ever faster and faster, stretched like a greyhound, while the windbeat in my face and whistled past my ears.
You will ruin no more lives as you ruined mine. You will wring no more hearts as you wrung mine. I will free the world of a poisonous thing. Take that, you hound, and that! - and that! - and that! - and that!
A study in scarlet, eh? Why shouldn't we use a little art jargon? There's the scarlet thread of murder running through the colourless skein of life, and our duty is to unravel it, and isolate it, and expose every inch of it.
Detection is, or ought to be, an exact science, and should be treated in the same cold and unemotional manner. You have attempted to tinge it with romanticism, which produces much the same effect as if you worked a love-story or an elopement into the fifth proposition of Euclid.