Charles B. Pierce with Eastwood, who liked the story and helped Pierce develop it into "Sudden Impact" (1983), the fourth entry in Eastwood's Dirty Harry film series. Pierce was given a writer's credit for the story along with Joseph C. Stinson. Pierce is said to have written the phrase, "Go ahead, make my day," the film's most famous line, which went on to be identified as one of the ten best movie quotes of all-time by the American Film Institute. The phrase was inspired by something his father once told Pierce in his youth while encouraging his son to mow the lawn: "When
A Day with Wilbur Robinson appears much earlier. In film Wilbur's relationship to Lewis is revealed to go beyond that of being his best friend. Since the film jumps ahead about thirty years from the science fair scene and on, Lewis turns out to be Wilbur's father. In the film, the elementary school Lewis attends is named as a tribute to the author, William Joyce. It is switched around to Joyce Williams Elementary School. A Day with Wilbur Robinson A Day with Wilbur Robinson is a 1990 children's picture book (slightly expanded for a 2006 reissue) written and illustrated by William Joyce. A film adaptation