Who said "The mark of a good leader is how he treats people."?

This quote is attributed to Lou Grant.

The mark of a good leader is how he treats people. - Lou Grant

"The mark of a good leader is how he treats people."

Lou Grant Leadership

"You know, in this business, you have to have thick skin and a thicker wallet."

"I didn't get where I am by being nice to everybody."

"Life's too short to waste time on incompetence."

"A good editor doesn't just edit—he leads."

"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"