Who said "I lead by example, not by command."?

This quote is attributed to Arrow.

I lead by example, not by command. - Arrow

"I lead by example, not by command."

Arrow Leadership

"My name is Oliver Queen. After five years in hell, I have come home with only one goal: to save my city."

"I'm not the man I was."

"You have failed this city."

"I'm a monster."

"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"