Who said "I'll keep trying, no matter how scared I am."?

This quote is attributed to Rex.

I'll keep trying, no matter how scared I am. - Rex

"I'll keep trying, no matter how scared I am."

Rex Perseverance

"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?"

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."