“When once your point of view is changed, the very thing which was so damning becomes a clue to the truth.”

“Circumstantial evidence is a very tricky thing. It may seem to point very straight to one thing, but if you shift your own point of view a little, you may find it pointing in an equally uncompromising manner to something entirely different”

“It is a great thing to start life with a small number of really good books which are your very own.”

“When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth.”

“And so reader, farewell to Sherlock Holmes! I thank you for your past constancy, and can but hope that some return has been made in the shape of that distraction from the worries of life and stimulating change of thought which can only be found in the fairy kingdom of romance.”

“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.”

“The ideal reasoner 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 the results which would follow from it.”