Who said "I used to be all about me. That was lonely."?

This quote is attributed to Lightning McQueen.

I used to be all about me. That was lonely. - Lightning McQueen

"I used to be all about me. That was lonely."

Lightning McQueen Solitude

"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."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."