It was not Churchill who first made that quote!
It was long thought the quote, “Golf is a good walk Spoiled” was thought to be from Mark Twain but it actually came from a book published in 1905 by Leon Wilson.
https://www.golfcontentnetwork.com/golf/golf-life-and-a-good-walk-sometimes-spoiled/#:~:text=It was long thought the,an average round of golf.