Who said "I cannot let my emotions control my actions."?

This quote is attributed to Iron Fist.

I cannot let my emotions control my actions. - Iron Fist

"I cannot let my emotions control my actions."

Iron Fist Patience

"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."

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."