Elizabeth

“Excellent!" I cried. "Elementary," said he.”
― Arthur Conan Doyle, The Complete Sherlock Holmes

“I suppose I shall have to compound a felony, as usual.”
― Arthur Conan Doyle

“When you have eliminated all which is impossible, then whatever remains, however improbable, must be the truth.”
― Arthur Conan Doyle, The Case-Book of Sherlock Holmes

“presume nothing”
― Arthur Conan Doyle, The Hound of the Baskervilles