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
Go-Ahead Group England (principally Gypsy Queen in 1989 and Low Fell Coaches in June 1992). Go-Ahead Northern also became a National Express sub-contractor operating services to the Midlands, North East, North West and South West England. At the same time, Go-Ahead Leisure purchased a number of pubs, which were sold in February 1996. Despite bidding for a number of other larger bus operators in the intervening period, Go-Ahead's first major acquisition was Brighton & Hove in November 1993, followed by the Oxford Bus Company and Wycombe Bus Company in March 1994. In May 1997 the Brighton & Hove operation expanded with the