Who said "Perseverance means showing up even when you're afraid."?

This quote is attributed to Rex.

Perseverance means showing up even when you're afraid. - Rex

"Perseverance means showing up even when you're afraid."

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."