Who said "The key to success is hard work."?

This quote is attributed to Beyoncé.

The key to success is hard work. - Beyoncé

"The key to success is hard work."

Beyoncé Work

Pop R&B Singer Dancer American Born 1981 (age 45)

"I am my best thing."

"Do what you have to do, to do what you want to do."

"Power is not given to you. You have to take it."

"You have to believe it before you can become it."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."