Who said "My fist is the weapon, but my mind must be sharper."?

This quote is attributed to Iron Fist.

My fist is the weapon, but my mind must be sharper. - Iron Fist

"My fist is the weapon, but my mind must be sharper."

Iron Fist Knowledge

"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."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."