The line pair that develops the theme that one decision in time can have a lifelong impact is "I went out to the hazel wood, Because a fire was in my head."
<h3>What is the line pair about?</h3>
The first two lines of the poem "The Song of Wandering Aengus," by William Butler Yeats, reveal that the speaker made one decision that ended up having a lifelong impact on him.
The speaker, Aengus, made the decision of going into the hazel wood. Because of that, he meets this girl, most likely a nymph, who makes him fall in love with her. He is now determined to look for her for the rest of his life.
Therefore, his decision to go into the hazel wood has a lifelong impact on the speaker. He can no longer live without that beautiful girl.
Learn more about "The Song of Wandering Aengus" here:
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