Who said "A man without a mission is a man already dead."?

This quote is attributed to Whiplash.

A man without a mission is a man already dead. - Whiplash

"A man without a mission is a man already dead."

Whiplash Dreams

"I build things, I build weapons, I build better versions of what already exists."

"You think you're the only one who can play with lightning?"

"I know who I am. I'm the guy who builds better tech than you."

"Revenge is a dish best served with electricity."

"This is going to be a great show!"

"Dreams are what make life worth living."

"Never stop dreaming big."

"Dreams are what keep us going."