Who said "Fear is a tool—you have to learn to control it."?

This quote is attributed to Danny Rand.

Fear is a tool—you have to learn to control it. - Danny Rand

"Fear is a tool—you have to learn to control it."

Danny Rand Fear

"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."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."