Walter Jackson Bate's canonical 1939 study of Keats's concept of negative capability is a genealogical treatise that unearths the socio-political, aesthetic, and intellectual composition of Keats's most famous poetic idea. He discloses its relation to Hazlitt's idea of "gusto" and to Shakespearean notions of impersonality and intensity while also demonstrating how negative capability presages Bergson's conceptual interpretation of intellect and intuition. Bate reveals how the key elements of Keats's poetic concept are disinterestedness, sympathy, impersonality, and dramatic poetry, defining...