Who said "You can't heal others until you've healed yourself."?

This quote is attributed to Iron Fist.

You can't heal others until you've healed yourself. - Iron Fist

"You can't heal others until you've healed yourself."

Iron Fist Health

"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."

"You can't expect to be happy if you're surrounded by mess."

"Health and happiness - these are true wealth"

"How can you live like this? It's like a pigsty!"

"You're going to get sick living like this."