Britannica defines Literary Criticism from Plato and Aristotle 's Poetics to I.A. Richards' Principles of Literary Criticism . Theorists such as John Crowe Ransom  Cleanth Brooks .   Ferdinand de Saussure  ,  Roland Barthes,  Jacques Derrida, Terry Eagleton,  Edward Sapir, and others considering Literary Theory and  structures of language and culture are discussed in the Literary Criticism: beyond the first paragraph page.  So if you want to find out who said "All grammars leak"  go there.

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