Who said "Leadership means making the hard calls alone."?

This quote is attributed to Frank Castle.

Leadership means making the hard calls alone. - Frank Castle

"Leadership means making the hard calls alone."

Frank Castle Leadership

"Punishment is a language they understand."

"I'm not a hero. I'm a tool, sharpened and aimed."

"The only way to stop evil is to be better at it than they are."

"Mercy is for the living. The dead don't care."

"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"