Who said "Every mistake is a lesson in disguise."?

This quote is attributed to Rex.

Every mistake is a lesson in disguise. - Rex

"Every mistake is a lesson in disguise."

Rex Education

"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?"

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."