Billy's final monologue in the film echoes remarks Dylan made in a 1997 interview with David Gates of Newsweek: "I don't think I'm tangible to myself. I mean, I think one thing today and I think another thing tomorrow. I change during the course of a day.
In the film, Billy's final monologue reflects comments Dylan gave to David Gates in a 1997 interview with Newsweek: "I don't perceive myself as constant. Today I might believe one thing, but tomorrow something else. My mindset changes from day to day."