Who said "I am bound by honor and duty."?

This quote is attributed to Iron Fist.

I am bound by honor and duty. - Iron Fist

"I am bound by honor and duty."

Iron Fist Work

"I am the living weapon. I am Iron Fist."

"I've trained my entire life for this moment."

"The chi flows through all living things."

"I need to protect the innocent."

"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."