This article argues that late Heidegger’s analyses of the Fourfold can be used as a methodological starting point for discourse analyses. It argues that the Fourfold points out elements or foundations of discursive structures that orient us to differing, and to some extent opposing, directions that are at the same time mutually interdependent. A discursive analysis of how the Fourfold is at play in prevailing discursive exchanges and structures will thus be a matter of situating ourselves in a conceptual space (...) beyond existing practices and structures, from which we get a picture of their inadequacies. As such, the article contributes to a critical understanding of discourse analysis. It will be argued that through understanding the Fourfold, we can better understand the problems with various aspects of ‘measuring’, which are founded upon the (concealed) instability of elements of the Fourfold – which shapes practical discursive engagements. By foregrounding this structural instability we can approach it critically. I demonstrate how this approach might be used in an analysis of a debate between Greta Thunberg and Bjørn Lomborg. (shrink)