Who said "I believe in the power of love."?

This quote is attributed to Luigi.

I believe in the power of love. - Luigi

"I believe in the power of love."

Luigi Love

"It's-a me, Luigi!"

"Mamma mia!"

"Let's-a-go!"

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

"I love my wife, but sometimes she drives me crazy."

"Love conquers all obstacles."

"Love is patient, love is kind."

"I'm not stupid, I'm just in love!"