Who said "You never know what you can do till you try."?

This quote is attributed to Mater.

You never know what you can do till you try. - Mater

"You never know what you can do till you try."

Mater Courage

"I'm a tractor tippin' fool!"

"Dadgum!"

"Well, I'll be!"

"You're my best friend!"

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."