From a drop of water a logician could infer the possibility of an Atlantic or a Niagara without having seen or heard of one or the other.

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!

Some facts should be suppressed, or, at least, a just sense of proportion should be observed in treating them.

Like all Holmes' reasoning, the thing seemed simplicity itself when it was once explained. Dr. Watson, speaking of Sherlock Holmes.

A hound it was, an enormous coal-black hound, but not such a hound as mortal eyes have ever seen. Fire burst from its open mouth, its eyes glowed with a smouldering glare, its muzzle and hackles and dewlap were outlined in flickering flame. Never in the delirious dream of a disordered brain could anything more savage, more appalling, more hellish be conceived than that dark form and savage face which broke upon us out of the wall of fog.

To let the brain work without sufficient material is like racing an engine. It racks itself to pieces.

It's a very cheery thing to come into London by any of these lines which run high and allow you to look down upon the houses like this." I thought he was joking, for the view was sordid enough, but he soon explained himself. "Look at those big, isolated clumps of buildings rising up above the slates, like brick islands in a lead-coloured sea." "The board-schools." "Light-houses, my boy! Beacons of the future! Capsules with hundreds of bright little seeds in each, out of which will spring the wiser, better England of the future.