Who said "I've spent my life training for this. I won't waste it."?

This quote is attributed to Danny Rand.

I've spent my life training for this. I won't waste it. - Danny Rand

"I've spent my life training for this. I won't waste it."

Danny Rand Perseverance

"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."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."