Who said "I swear I will never become a burden on my crew."?

This quote is attributed to Zoro.

I swear I will never become a burden on my crew. - Zoro

"I swear I will never become a burden on my crew."

Zoro Work

"I am not going to die. I'm going to keep fighting until I become the world's greatest swordsman!"

"Shitty glasses."

"I don't care what the world thinks. I'm going to be the world's greatest swordsman!"

"A swordsman's true path is one of solitude."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."