Who said "True friends tell you the truth, even when it's hard."?

This quote is attributed to Mater.

True friends tell you the truth, even when it's hard. - Mater

"True friends tell you the truth, even when it's hard."

Mater Friendship

"I'm a tractor tippin' fool!"

"Dadgum!"

"Well, I'll be!"

"You're my best friend!"

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."