Who said "True strength comes from the heart, not the engine."?

This quote is attributed to Mater.

True strength comes from the heart, not the engine. - Mater

"True strength comes from the heart, not the engine."

Mater Strength

"I'm a tractor tippin' fool!"

"Dadgum!"

"Well, I'll be!"

"You're my best friend!"

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."