I believe that the metaphysical poets introduced all of those changes and were reacting against the flowery language used in Elizabethan lyrics.
Answer:
The main themes in "A Very Old Man with Enormous Wings" are doubt, ambiguity, and the problem of interpretation. Doubt and ambiguity: A variety of theories about the old man are presented: some believe he's an angel, while others view him as a member of a new race.
My reaction to this quote is that Abraham Lincoln is referring to the ideal that once people have power they tend to abuse it for their advantage, and personal gain. For Example, gerrymandering. Gerrymandering is the manipulation of the county sizing and grouping in states by the Legislative branch to guarantee their reelection into federal or state offices. A typically Democratic city perhaps may be grouped or redrawn to conjoin with a vastly Republican populated area, creating a larger group of supporters of one party, and a polarized county.