Who said "Sometimes the key to things is patience."?

This quote is attributed to Po.

Sometimes the key to things is patience. - Po

"Sometimes the key to things is patience."

Po Patience

"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!"

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."