Who said "A wound given by a friend cuts deeper, no matter who it is."?

This quote is attributed to Luffy.

A wound given by a friend cuts deeper, no matter who it is. - Luffy

"A wound given by a friend cuts deeper, no matter who it is."

Luffy Relationships

"I'm gonna be King of the Pirates!"

"A man's dream will never die!"

"I don't care what happens to me, I'm gonna help my friend!"

"Being alone is better than being with the wrong people."

"The key to a happy marriage is communication."

"Marriage is about compromise and understanding."

"Life's greatest treasures are relationships."

"Trust is a luxury I can't afford."