Who said "I've learned to control my power through discipline."?

This quote is attributed to Iron Fist.

I've learned to control my power through discipline. - Iron Fist

"I've learned to control my power through discipline."

Iron Fist Wisdom

"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."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."