Explanation:
Emerson means that he sees everything; the metaphor suggests the poet is like a single, huge eye. I become a transparent eyeball; I am nothing; I see all; the currents of the Universal Being circulate through me; I am part or parcel of God.
It would be “What have I done, that thou darest wag thy tongue/ in noise so rude against me.
I think that the speaker is saying that even though death is unavoidable in the end then we should not just merely accept it and try our hardest to make our lives meaningful while we are alive. She infers that she has too much that she has yet to do in her life and that she doesn’t have enough time to stop for anything, even something a powerful as death.