Who said "Knowledge is the key that opens every door."?

This quote is attributed to Luigi.

Knowledge is the key that opens every door. - Luigi

"Knowledge is the key that opens every door."

Luigi Knowledge

"It's-a me, Luigi!"

"Mamma mia!"

"Let's-a-go!"

"I'm-a scared, but I'm-a going anyway!"

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."