Wordsworth wrote that he longed to compose 'some philosophic Song/Of Truth that cherishes our daily life'. Yet he never finished The Recluse, his long philosophical poem. Simon Jarvis argues that Wordsworth's aspiration to 'philosophic song' is central to his greatness, and changed the way English poetry was written. Some critics see Wordworth as a systematic thinker, while for others he is a poet first, and a thinker only (if at all) second. Jarvis...