What does the speaker want readers to do? learn to be better writers themselves study the great poems about nature practice using free verse in poetry learn to see the world through a poetic lens

Learn to see the world through a poetic lens.

Explanation:

Walt Whitman's poem "Song of Myself" is a poem that centers on the theme of "individualism", the self as the center. It focuses on the belief or concept of Transcendentalists that centers on the common soul of all mankind, humanity as a whole.

The poem is a celebration of oneself, discovering one's being. It centers on the individualism of the person and focuses on himself as the most important thing. Throughout the poem, the speaker emphasizes the importance of 'the self'. The speaker wants the readers to try to learn to see the world through the lens of poetry, the way he does.

Thus, the correct answer is the fourth/ last option.