Who said "You want to lead? Then lead. Don't just talk about it."?

This quote is attributed to War Machine.

You want to lead? Then lead. Don't just talk about it. - War Machine

"You want to lead? Then lead. Don't just talk about it."

War Machine Leadership

"Next time, maybe you'll listen when I tell you something."

"I'm a soldier. That's what I do."

"You think you're the only one with something to prove?"

"I follow orders. That's the difference between us."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"