"hollow lands and hilly lands..."See in text(The Song of Wandering Aengus)
The image of lands both “hollow” and “hilly” evokes the tension between presence and absence in Aengus’s search. The “glimmering girl” exists in a state between the realm of dreams and the real world. Aengus’s quest is to unite the two, to make his dream a reality.
"the fire a-flame..."See in text(The Song of Wandering Aengus)
When Aengus blows “the fire a-flame,” there is a reiteration and transformation of the “fire in my head” in the first stanza. The fire of love and erotic desire has gone from an an idea in his head and taken on the worldly form of “a glimmering girl.”