He had become so fimilar with the river that he only sees the bad things and not the beauty.
Twain finally realizes that there is much more out there in life than the beauty which it holds.
Mark Twain compares the river to a book. Just like a book, it nevers seems to end. Angelou learned that human naure is not always what it seems. While working for Mrs. Cullinan, Angelou learned that people can be very judgemental. By changing Miss. Glory's and Margaret's name, this showed how people during that time period could be so snudish and unaware of someone's feelings.