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 [=are from the distant past; are very out of date]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.
(..) Sure. Hey, Ros. - : Christian, hey. - Yeah. I suppose we could reuse - some of the existing stone. - Gia. - It is Gia, right? I'm sure you're very good at what you do. Otherwise, Christian wouldn't (..)2018 Fifty Shades Freed