What is the meaning of the song of the wondering aengus?

"The Song of Wandering Aengus" by W.B. Yeats explores themes of unrequited love, the passage of time, and the quest for beauty and inspiration. The protagonist, Aengus, embarks on a journey to find a mystical being who represents his unattainable desires and artistic aspirations. The poem reflects the tension between longing and the elusive nature of fulfillment, symbolizing the universal search for meaning and connection in life. Ultimately, it captures the bittersweet essence of chasing dreams that may remain forever just out of reach.