Arthur Conan Doyle

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

“It is a capital mistake to theorize before one has data.”

“The world is full of obvious things which nobody by any chance ever observes.”

“Data! Data! Data! I can't make bricks without clay.”

“My mind rebels at stagnation. Give me problems, give me work.”

“To a great mind, nothing is little.”

“There is nothing more deceptive than an obvious fact.”

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

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

“Life is infinitely stranger than anything which the mind of man could invent.”

“Any truth is better than indefinite doubt.”

“Education never ends, Watson. It is a series of lessons with the greatest for the last.”

“Where there is no imagination there is no horror.”

“The chief proof of man's real greatness lies in his perception of his own smallness.”

“What one man can invent another can discover.”

“The emotional qualities are antagonistic to clear reasoning.”

“The love of books is among the choicest gifts of the gods.”

“Violence does, in truth, recoil upon the violent, and the schemer falls into the pit which he digs for another.”