Who said "You have to believe in yourself when no one else does."?

This quote is attributed to Gene Kelly.

You have to believe in yourself when no one else does. - Gene Kelly

"You have to believe in yourself when no one else does."

Gene Kelly Courage

Dancer and Actor American 1912–1996

"I'd rather entertain and hope that people learned something than educate people and hope they were entertained."

"You've got to keep dancing."

"I like intelligent people. When you go out it should be with a person who's going to add to the experience, to feed your ideas."

"Life is not a spectator sport."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."