Prothero explains a famous story from the Upanishads

  On p. 49, Prothero explains a famous story from the Upanishads that shows the relationship between Atman and Brahman. The story is summed up by the expression, "Tat tvam asi." Explain this expression and the relationship between Atman and Brahman. What questions do you have? What difference might it make in someone's life to believe that Atman is Brahman? What psychological or moral impact might it have? Explain why this is or isn't an attractive/plausible belief.