Who said "Happiness comes from being true to yourself."?

This quote is attributed to Luffy.

Happiness comes from being true to yourself. - Luffy

"Happiness comes from being true to yourself."

Luffy Happiness

"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."

"Babalú!"

"My greatest joy is making people smile."

"Laughter and love make a home."

"The best things in life are free."