Select two lines from the text that demonstrate nature had the power to change Wordsworth's mood.

"lonely as a cloud" (line 1)
"They stretched in a never-ending line" (line 9)
"Out-did the sparkling waves in glee:" (line 14)
"A poet could not but be gay" (line 15)
"For oft, when on my couch I lie" (line 19)