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 (March), Anglian Bus (April) in Norfolk and Suffolk, and HC Chambers & Son, Suffolk (June). In July 2014, Go-Ahead exited the United States following the loss of its yellow bus contract. In September 2014 Govia commenced operating Thameslink and Great Northern, part of the Thameslink, Southern and Great Northern rail franchise it won as Govia Thameslink Railway. In November 2015, Go-Ahead Germany were awarded two rail contracts in Stuttgart, Germany. The contracts will commence in 2019/20. In the same month, Go-Ahead Singapore was awarded a contract to operate 25 bus services in Singapore previously operated by SBS Transit out of