For I have learned/To look on nature, not as in the hour/Of thoughtless youth; but hearing oftentimes/The sad, still music of humanity” ?

• A. The poet’s changing relationship to nature as fount of meaning and significance
• B. The falsity of human art as opposed to the immediate truth of nature
• C. The failure of the poet when a youth to imagine his future
• D. The utter rejection of youthful folly in favor of mature rationality