Who said "A leader must be just and fair."?

This quote is attributed to Zazu.

A leader must be just and fair. - Zazu

"A leader must be just and fair."

Zazu Leadership

"As majordomo, I am responsible for all the details of royal life."

"One must be prepared."

"You deliberately disobeyed me."

"I'm only a lion, not a monkey."

"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"