Sherlock Holmes : The Complete Collection [All 56 Stories & 4 Novels], (Mahon Classics)

by Arthur Conan Doyle

No man burdens his mind with small matters unless he has some very good reason for doing so.

the Science of Deduction and Analysis is one which can only be acquired by long and patient study nor is life long enough to allow any mortal to attain the highest possible perfection in it.

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

“They say that genius is an infinite capacity for taking pains,”

where there is no imagination there is no horror.

“The plot thickens,”

“you should never neglect a chance, however small it may seem.”

“To a great mind, nothing is little,”

It is a mistake to confound strangeness with mystery. The most commonplace crime is often the most mysterious because it presents no new or special features from which deductions may be drawn.

Detection is, or ought to be, an exact science, and should be treated in the same cold and unemotional manner.