Who said "Every master was once a student who refused to give up."?

This quote is attributed to Po.

Every master was once a student who refused to give up. - Po

"Every master was once a student who refused to give up."

Po Leadership

"I'm not a big fan of jokes"

"There is no secret ingredient. It's just you."

"You just have to believe"

"I'm the Dragon Warrior!"

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"