Who said "The road is longest when you walk it alone."?

This quote is attributed to Road Runner.

The road is longest when you walk it alone. - Road Runner

"The road is longest when you walk it alone."

Road Runner Solitude

"Beep beep!"

"Meep meep!"

"Time flies when you're having fun."

"Sometimes the fastest way out is the simplest path."

"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."