Some movie lines have the power to endure years and years of fame, and in some cases, become more famous than the movies they’re from. Most of the time, we owe this to the foresight and creativity of the writer behind the movie. But, other times, famous movie lines come from a moment of inspiration and improvisation by the actor. While you can probably name several famous movie lines, you might be surprised at how many of them were never originally in the movie’s script. In this video, we’re going to share 10 of the most famous movie lines that weren’t in the script.