Dennis Ryland: It's changed course!
Diana Skouris: That's impossible! Comets don't just change course.
Dennis Ryland: Well, this one has.
Diana Skouris: Then it's not a comet.
Diana Skouris: That's impossible! Comets don't just change course.
Dennis Ryland: Well, this one has.
Diana Skouris: Then it's not a comet.
Dennis Ryland : It's changed course!
Diana Skouris : That's impossible! Comets don't just change course.
Dennis Ryland : Well, this one has.
Diana Skouris : Then it's not a comet.
http://www.tv-quotes.com/shows/the-4400/quote_19375.html
