Who said "I will protect those who cannot protect themselves."?

This quote is attributed to Iron Fist.

I will protect those who cannot protect themselves. - Iron Fist

"I will protect those who cannot protect themselves."

Iron Fist Justice

"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."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."