Who said "I've learned to find joy even in the darkest castles."?

This quote is attributed to Mario.

I've learned to find joy even in the darkest castles. - Mario

"I've learned to find joy even in the darkest castles."

Mario Happiness

"It's-a me, Mario!"

"Let's-a-go!"

"Mamma mia!"

"I'm not giving up on my brother."

"Babalú!"

"My greatest joy is making people smile."

"Laughter and love make a home."

"The best things in life are free."