Final answer:
Keating uses the poem "O Me! O Life!" by Walt Whitman to illustrate that everyone is different and has their own unique contributions to life.
Step-by-step explanation:
The poem used by Keating to emphasize the uniqueness of every individual is "O Me! O Life!" by Walt Whitman. This poem effectively conveys the message that each person is different and that our individual experiences contribute to the powerful play of life.
Through Whitman's verse, Keating inspires his students to understand and appreciate their individual contributions to the world, asserting that everyone has a verse to contribute to the 'powerful play' that is life.
In this poem, Keats explores the theme of the individual's desire to escape reality and find solace in the beauty of nature and art.
By referencing this poem, Keating emphasizes the importance of embracing one's uniqueness and following one's own path.