Who said "A true leader serves others, not themselves."?

This quote is attributed to Buster Keaton.

A true leader serves others, not themselves. - Buster Keaton

"A true leader serves others, not themselves."

Buster Keaton Leadership

Silent Film Comedian American 1895–1966

"I have nothing to say, and I am saying it."

"The most beautiful thing in the world is a newborn baby."

"Work like you don't need money, love like you've never been hurt, and dance like no one is watching."

"Falling can be an art; the way you take it makes all the difference."

"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"