"Crime is common. Logic is rare. Therefore it is upon the logic rather than upon the crime that you should dwell."

"I have no patience with the arguments of atheists."

"It is not my intention to be fulsome, but I confess that I feel the most profound respect for the man for whom no mystery is too abstruse, and no problem too intricate."

"I never guess. It is a shocking habit—destructive to the logical faculty."

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