When addressing 20th century surgeons in 1986, Doctor Leonard McCoy pleaded with them to put away their surgical tools, which he referred to as "butcher knives", and allow him to perform a less invasive life-saving medical procedure on a comatose Pavel Chekov. (Star Trek IV: The Voyage Home)
Hawkeye Is Here To Amaze - The Loop
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For the DIS episode with a similar title, please see "The Butcher's Knife Cares Not for the Lamb's Cry".