"Do you not deduce something from that?"
"We have got to the deductions and the inferences," said Lestrade, winking at me. "I find it hard enough to tackle facts, Holmes, without flying away after theories and fancies."
"You are right," said Holmes, demurely; "you do find it hard to tackle the facts."
"The Bascombe Valley Mystery" in Adventures of Sherlock Homes by Sir Arthur Conan Doyle