Who said "Moving forward, even slowly, is still progress."?

This quote is attributed to Rex.

Moving forward, even slowly, is still progress. - Rex

"Moving forward, even slowly, is still progress."

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."