Who said "A good principal must be fair, firm, and focused."?

This quote is attributed to Principal Seymour Skinner.

A good principal must be fair, firm, and focused. - Principal Seymour Skinner

"A good principal must be fair, firm, and focused."

Principal Seymour Skinner Leadership

"I'm Seymour Skinner, Principal of Springfield Elementary, and I run a tight ship."

"Detention is not a punishment, it's an opportunity for reflection."

"The squeaky wheel gets the grease, but the nail that sticks up gets hammered down."

"I've dedicated my life to education, and by God, I'll see it through!"

"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"