William Blake's collection of poems titled "Songs of Innocence" is introduced, which includes poems such as "The Ecchoing Green" about children playing in a green field, "The Lamb" depicting a lamb as a symbol of innocence, and "The Chimney Sweeper" addressing the tragic lives of young chimney sweeps. The collection also contains "The Little Black Boy" about a black child learning about God, "The Divine Image" concerning humanity's relationship with God, and "Holy Thursday" focused on a church charity event for poor children.