And here it is that I miss my Watson. By cunning questions and ejaculations of wonder he could elevate my simple art, which is but systematized commo… - Arthur Conan Doyle

Problems may be solved in the study which have baffled all those who have sought a solution by the aid of their senses.

"Yes, the reaction is already upon me. I shall be as limp as a rag for a week."
"Strange," said I, "how terms of what in another man I should call laziness alternate with your fits of splendid energy and vigor."

"What do you think of this, Holmes? Sholto was, on his own confession, with his brother last night. The brother died in a fit, on which Sholto walked off with the treasure? How's that?"
"On which the dead man very considerately got up and locked the door on the inside."