Who said "Hard work builds character and success."?

This quote is attributed to Ricky Ricardo.

Hard work builds character and success. - Ricky Ricardo

"Hard work builds character and success."

Ricky Ricardo Work

"Lucy, you got some 'splainin' to do!"

"I'm not angry, I'm just disappointed."

"Babalú!"

"This is going to be a great show!"

"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."