Who said "Strength isn't about muscles—it's about resolve."?

This quote is attributed to Luigi.

Strength isn't about muscles—it's about resolve. - Luigi

"Strength isn't about muscles—it's about resolve."

Luigi Strength

"It's-a me, Luigi!"

"Mamma mia!"

"Let's-a-go!"

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

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."