His political ideas are from 'the Stone Age'. [=are from the distant past; are very out of date]
Their lawyer said that he would 'leave no stone unturned' in trying to find more evidence.
The researchers 'left no stone unturned' in their search for the original documents.
(..) Lest they forget. We should keep moving. The only red priest we had in King's Landing was Thoros of Myr. This one's much better looking. Stone men. Good luck stopping this spread of grayscale with prayer. You'd have better luck dancing away the plague. We're going to meet the Saviour. (..)2015 TvShow: Game of Thrones Title: High Sparrow Season: 5 Episode 3
(..) Pack your arms and armour, say your farewells, and ride for Greyguard. I will not go meekly off to freeze and die. Give it to one of the fools who cast a stone for you. I will not have it. You hear me, boy? I will not have it! You refusing to obey my order? You can stick your order (..)2015 TvShow: Game of Thrones Title: High Sparrow Season: 5 Episode 3