" From heart-experience, and in humblest sense Of Modesty, that he, who in his youth A daily wanderer among woods and fields With living Nature hath been intimate, Not only in that raw unpractised time Is stirred to ecstasy, as others are, By glittering verse but further, doth receive, In measure only dealt out to himself, Knowledge and increase of enduring joy From the great Nature that exists in works Of mighty Poets. "