Who said "A healthy mind is just as important as a healthy engine."?

This quote is attributed to Mater.

A healthy mind is just as important as a healthy engine. - Mater

"A healthy mind is just as important as a healthy engine."

Mater Health

"I'm a tractor tippin' fool!"

"Dadgum!"

"Well, I'll be!"

"You're my best friend!"

"You can't expect to be happy if you're surrounded by mess."

"Health and happiness - these are true wealth"

"How can you live like this? It's like a pigsty!"

"You're going to get sick living like this."