Read the excerpt from William Wordsworth's Preface to Lyric...
"Poetry is the spontaneous overflow of powerful feelings: it takes its origin from emotion recollected in tranquility: the emotion is contemplated till, by a species of reaction, the tranquility gradually disappears, and an emotion, kindred to that which was before the subject of contemplation, is gradually produced, and does itself actually exist in the mind."
Based on this statement, Wordsworth's conception of poetry emphasizes: