Dated, melodramatic acting at times that definitely handicap the movie, but Alastair Sim's performance is timeless and so are the themes of humanity within this simple yet beautiful allegory.
It's a core belief of mine that we can all continue to change and grow as long as we believe that we are capable of doing so. Regardless of age or circumstance. Mix this concept with Charles Dickens English charm and you've got a Christmas classic worthy of a yearly revisiting.