Who said "My crewmates aren't tools, they're my treasure!"?

This quote is attributed to Luffy.

My crewmates aren't tools, they're my treasure! - Luffy

"My crewmates aren't tools, they're my treasure!"

Luffy Friendship

"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."

"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."