The movie *Raging Bull* closes with a Biblical quote from the Gospel of John. What is the meaning of the quote, and how does it relate to the plot of the film?

> 
> 
> ```
> "So, for the second time, [the Pharisees]
> summoned the man who had been blind and said:
> 
> 'Speak the truth before God.
> We know this fellow is a sinner.'
> 
> 'Whether or not he is a sinner, I do not know.'
> the man replied.
> 
> 'All I know is this:
> once I was blind and now I can see.'
> 
>         John IX. 24-26
>         the New English Bible"
> 
> ```
> 
>