Who said "A true friend celebrates your victories as their own."?

This quote is attributed to Luigi.

A true friend celebrates your victories as their own. - Luigi

"A true friend celebrates your victories as their own."

Luigi Friendship

"It's-a me, Luigi!"

"Mamma mia!"

"Let's-a-go!"

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

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."