Who said "A true leader doesn't ask others to do what he won't."?

This quote is attributed to Avengers Tony Stark.

A true leader doesn't ask others to do what he won't. - Avengers Tony Stark

"A true leader doesn't ask others to do what he won't."

Avengers Tony Stark Leadership

"I'm not a genius. I'm just a man in a suit."

"Sometimes you gotta run before you can walk."

"The world's always ending. The end of the line, the end of the road."

"I have a plan. Attack."

"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"