Who said "Tigress taught me that vulnerability is powerful."?

This quote is attributed to Po.

Tigress taught me that vulnerability is powerful. - Po

"Tigress taught me that vulnerability is powerful."

Po Courage

"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!"

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."