The quote "People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf" is often attributed to George Orwell, though it is more accurately a summation of an idea he expressed in his writings. While it is not a direct quote from Orwell, the sentiment reflects his views on the necessity of force for maintaining peace and freedom.
That's what I was referring to, not literally in the violence sense, but sometimes we need the rough men