Who said "Being kind is never a weakness."?

This quote is attributed to Lightning McQueen.

Being kind is never a weakness. - Lightning McQueen

"Being kind is never a weakness."

Lightning McQueen Kindness

"I'm Lightning McQueen. I'm a race car."

"Ka-chow!"

"I'm not just a race car, I'm a Lightning McQueen."

"Life is a journey, not just a race to the finish line."

"A good man treats his wife with respect."

"Kindness always comes back around."

"The power of a smile can change everything."

"Kindness is weakness to some. Not to me."