Media executive Jarl Mohn told USC Annenberg graduates about starting his career as a terrible disc jockey at a tiny radio station in a Pennsylvania cow pasture at age 15. The general manager gently suggested he pursue a different career. But Mohn was totally delusional; he thought he was fantastic and told everyone he would be on a big New York radio station by 25. People laughed at his ambitions, which only made him try harder. By 25, he was hired for an afternoon show at WNBC in New York. He was never really that great, he admitted, but he was good enough. Had he known how truly terrible he was at 15, he would have never tried. That experience convinced him of the power of big goals and healthy self-delusion.