Quotation from: The Adventures of Sherlock Holmes

Written by: Sir Arthur Conan Doyle

"I cannot say that I have."

"The lady could not move her bed. It must always be in the same
relative position to the ventilator and to the rope--or so we may
call it, since it was clearly never meant for a bell-pull."

"Holmes," I cried, "I seem to see dimly what you are hinting at.
We are only just in time to prevent some subtle and horrible
crime."