Who said "A leader leads by example."?

This quote is attributed to Worf.

A leader leads by example. - Worf

"A leader leads by example."

Worf Leadership

"I am a Klingon warrior. It is my duty to face death with honor."

"Today is a good day to die."

"Success is not measured by how many battles you win, but by how you conduct yourself in the struggle."

"Family is everything to a Klingon. Without honor, there is no family."

"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"