Who said "The world is full of wonders waiting to be discovered!"?

This quote is attributed to Luffy.

The world is full of wonders waiting to be discovered! - Luffy

"The world is full of wonders waiting to be discovered!"

Luffy Imagination

"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."

"Imagination is more powerful than knowledge."

"The world is full of wonders if you know where to look."

"You have the imagination of a child, Lucy"

"The world is full of mysteries waiting to be solved."