Who said "You have to commit yourself fully to your work."?

This quote is attributed to Gene Kelly.

You have to commit yourself fully to your work. - Gene Kelly

"You have to commit yourself fully to your work."

Gene Kelly

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."