That is, the maximum mobilization of all the knowledge, thought, critical rigor, and conceptual theorization one can muster, turned into an act of critical reflection, which is not afraid to speak truth to conventional knowl¬edge, and turned on the most important, most delicate, and invisible of objects: the cultural forms and practices of a society, its cultural life.
(с) Stuart Hall. Race, culture, and communications: looking backward and forward at cultural studies.