The poet takes on the speaker's voice in the twenty-fifth section, proclaiming "Speech is the twin of my vision, it is unequal to measure itself," while the sixth section contains another famous scene in which a child asks the narrator, "What is the grass?"  
This poem's eleventh section contains the famous episode of the "twenty-ninth bather," who watches twenty-eight men bathing in the ocean and wishes she could join them unobserved.  The poet takes on the speaker's voice in the twenty-fifth section, proclaiming "Speech is the twin of my vision, it is unequal to measure itself," while the sixth section contains another famous scene in which a child asks the narrator, "What is the grass?"  The first work in the collection Leaves of Grass, FTP, identify this autobiographical poem by Walt Whitman.
This poem's eleventh section contains the famous episode of the "twenty-ninth bather," who watches twenty-eight men bathing in the ocean and wishes she could join them unobserved.  
Song of Myself