In the Upanishads, Svetaketu’s father says, “That art thou, Svetaketu.” What does “that” refer to? What does “thou” refer to? Do you see any problem with saying that these two (what “that” refers to...

In the Upanishads, Svetaketu’s father says, “That art thou, Svetaketu.” What does “that” refer to? What does “thou” refer to? Do you see any problem with saying that these two (what “that” refers to and what “thou” refers to) are identical—in other words, that they are exactly one and the same thing? Explain.