In any case, reconstructing the presuppositions and validity dimensions inherent to communication is valuable because it brings into relief the inescapable foundations of everyday practices. Communicative action and the rudimentary forms of argumentation that orient the greater part of human interaction cannot be left behind. By reconstructing the deep structures of these Habermas has discovered a seed of rationality planted in the very heart of the lifeworld. Everyday practices, which are common enough to be trivial, such as reaching an understanding with another, or contesting the reasons for pursuing a course of action, contain an implicit and idealized rationality.