What is theory?

‘Theory’, we are told, has radically changed the nature of literary studies, but people who say this do not mean literary theory, the systematic account of the nature of literature and of the methods for analysing it. When people complain that there is too much theory in literary studies these days, they don’t mean too much systematic reflection on the nature of literature or debate about the distinctive qualities of literary language, for example. Far from it, they have something else in view. —Jonathan CullerWhat is theory?Literary Theory: A Very Short Introduction)

Via Torill.