This document provides an introduction and overview of William Wordsworth's preface to Lyrical Ballads. It discusses Wordsworth's definition of poetry as the "spontaneous overflow of powerful feelings" that are "recollected in tranquility." It also summarizes Wordsworth's ideas that poems can depict low and rustic life, that feelings are more important than action in poetry, and that poetry gives pleasure. The document provides biographical details of Wordsworth and positions him as a poet of nature and critical thinker.