Who said "I've learned that anger clouds judgment."?

This quote is attributed to Danny Rand.

I've learned that anger clouds judgment. - Danny Rand

"I've learned that anger clouds judgment."

Danny Rand Patience

"I am the living weapon. I am Iron Fist."

"My training has taught me that discipline is the foundation of everything."

"I've learned that wealth means nothing without purpose."

"The pain I endured made me stronger than I ever imagined."

"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."