Full Idea
Habermas claims to have embarked upon a new way of doing social philosophy, one that begins from an analysis of language use and that locates the rational basis of the coordination of action in speech.
Gist of Idea
We can do social philosophy by studying coordinated action through language use
Source
report of Jürgen Habermas (The Theory of Communicative Action [1981]) by James Gordon Finlayson - Habermas Ch.3:28
Book Reference
Finlayson,James G.: 'Habermas' [OUP 2005], p.28