From The Quiet Man - The Marquess of Queensbury rules fights
https://www.youtube.com/watch?v=8Bm0RIs-VJU&t=232s
And from How Green was My Valley
https://www.youtube.com/watch?v=pTv9pmnA0m8
I have always thought one of the best scenes was when “Red” Danather sees the PIRA members and asks if they are on Thornton’s side. Their response; “If we were on his side there would not be one stone upon another” of his house was SO TRUE.