Sir Frederick Pollock, 3rd Baronet Quotes
It is odd how learned persons fail to see that new terms and definitions are apt to mean new doubts and litigation.
Howe, Mark DeWolfe, ed. Holmes-Pollock Letters: The Correspondence of Mr. Justice Holmes and Sir Frederick Pollock, 1874-1932. Harvard University Press, 1941.
The principle seems to have been generalized from the military field to include executive orders, diplomatic instructions, policy statements and the like.
See {618046} for an even earlier statement of this point.
Sir Frederick Pollock, 3rd Baronet PC, FBA was an English jurist best known for his History of English Law before the Time of Edward I, written with F.W. Maitland, and his lifelong correspondence with US Supreme Court Justice Oliver Wendell Holmes. He was a Cambridge Apostle.