Who said "Even solitude is bearable when you have purpose."?

This quote is attributed to Courage the Cowardly Dog.

Even solitude is bearable when you have purpose. - Courage the Cowardly Dog

"Even solitude is bearable when you have purpose."

Courage the Cowardly Dog Solitude

"Courage, the cowardly dog."

"What's wrong, Muriel?"

"Oh, the things I do for love."

"Stupid Eustace!"

"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."