The answer to your question is "<span>The pine-trees bend to listen to the autumn wind as it mutters"</span>
You should provide more context
<span>Because he considered Pluto to be an icy body rather than a planet.
Hope this helps!! (If not sorry!)</span>
A primary source is something from that time such as a diary or a newspaper article.
A secondary source is something written by historians
Hope that helps