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 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.

Circumstantial evidence is occasionally very convincing, as when you find a trout in the milk, to quote Thoreau's example.

We had got as far as this, when who should walk in but the gentleman himself, who had been drinking his beer in the taproom and had heard the whole conversation. Who was I? What did I want? What did I mean by asking questions? He had a fine flow of language, and his adjectives were very vigorous.

I am somewhat exhausted; I wonder how a battery feels when it pours electricity into a non-conductor?

Crime is common. Logic is rare. Therefore it is upon the logic rather than upon the crime that you should dwell.

Keep your revolver near you night and day, and never relax your precautions.