frankenstein conclusion

I think Victor's advice to Walton does change, but not completely; it is kind of contradictory.  Victor tells Walton of his tale I assumed to teach him a lesson.  Near the end of the book he also tells Walton that he wishes he had never made the monster.  But then, right before he dies, he asks Walton to kill the monster for him.  He also has this rousing speech where he tries to convince the sailors to continue to find the north pole instead of going back home to safety.  I think he had his own intentions though; I think he wanted the crew to help him find the monster, and he did not have the strength to do it on his own.  I think his advice did change to Walton, but his own passion got in the way of his full advice.  His actions showed differently, but his words told Walton not to become obsessed with pursuing what he wants.  Victor was obsessed with creating life; and it ended up taking over his life, ending the lives of the ones he loved, and eventually took his life.  Walton has become obsessed with finding the north pole, and Victor did not want Walton's life to follow a path like his own.

I was thinking of the question "Are Victor and the monster the same person?" while finishing this book.  Victor was repeatedly called "a wretch", once by the monster (160), and Walton describes Victor's eyes as wretched (165).  What was even more evidence of them being the same person was that Walton said in a letter that Victor showed him the letters of Felix and Safie.  But the monster was there, not Victor.  So at this point I thought they were the same for sure.  Walton even said Victor, "is thus noble and godlike in ruin."  The footnote says this echoes Milton's description of Satan in Paradise Lost.  Throughout the whole book the monster was not only being called a wretch but also compared to Satan in Paradise Lost.  So I was quite sure at this point that they were the same person.  But later, Walton talks to the monster, who was hovering over Victor's dead body on the ship.  So then how could they be the same?  

I have no idea if they were the same or not.  In my opinion, I think that a part of Victor is in the monster like a father and a son.  The father and son are not the same, but they have a piece of each other in them.  That is why I think Victor is at times referred to as a wretch.  I still cannot explain how Victor showed Walton the letters of Felix and Safie though.