Twenty-somethings have a tendency to think that they need their lives figured out by 30, which can cause panic if their 30th birthday rolls around and their greatest aspirations seem far out of reach.
But there are plenty of success stories that prove otherwise -- from celebrity chef Julia Child, who wrote her first cookbook at 50, to writer Harry Bernstein, who authored countless rejected books before getting his first hit at 96.
Scroll down to get some inspiration from those whose careers show it's never too late.
Stan Lee created his first hit comic title, "The Fantastic Four," just shy of his 39th birthday. In the next few years, he created the legendary Marvel Universe, whose characters like Spider-Man and the X-Men became American cultural icons.
Gary Heavin was 40 when he opened the first Curves fitness center in 1992, which ended up becoming one of the fastest-growing franchises of the '90s.
Taikichiro Mori was an academic who became a real estate investor at age 51 when he founded Mori Building Company. His brilliant investments made him the richest man in the world in 1992, when he had a net worth of $13 billion.
Wally Blume had a long career in the dairy business before starting his own ice cream company, Denali Flavors, at age 57 in 1995. The company reported revenue of $80 million in 2009.
Laura Ingalls Wilder spent her later years writing semi-autobiographical stories using her educated daughter Rose as an editor. She published the first in the "Little House" books at age 65 in 1932. They soon became children's literary classics, and the basis for TV show "Little House on the Prairie."