Who said "I'm learning that vulnerability is strength."?

This quote is attributed to Rex.

I'm learning that vulnerability is strength. - Rex

"I'm learning that vulnerability is strength."

Rex Courage

"I'm a dinosaur! RAWR!"

"Oh no, oh no, oh no, oh no, oh no!"

"I can't take the pressure!"

"Everything's gonna be okay, right?"

"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."