Conan Doyle

"...when you have eliminated the impossible, whatever remains, however improbable, must be the truth. "

"A man should keep his little brain attic stocked with all the furniture that he is likely to need, and the rest he can put away in the lumber room of his library, where he can get it if he wants it. "

"It has long been an axiom of mine that the little things are infinitely the most important. "

"It is a capital mistake to theorize before you have all the evidence. It biases the judgment. "

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

"It is an old maxim of mine that when you have excluded the impossible, whatever remains, however improbable, must be the truth. "

"Mediocrity knows nothing higher than itself, but talent instantly recognizes genius. "

"The case has, in some respects, been not entirely devoid of interest. "

"There comes a time when for every addition of knowledge you forget something that you knew before. It is of the highest importance, therefore, not to have useless facts elbowing out the useful ones. "

"There was something awesome in the thought of the solitary mortal standing by the open window and summoning in from the gloom outside the spirits of the nether world. "

"When you have eliminated the impossible, whatever remains, however improbable, must be the truth. It is stupidity rather than courage to refuse to recognize danger when it is close upon you. "

"You see, but you do not observe. "