Who said "A leader must first lead himself."?

This quote is attributed to Frasier Crane.

A leader must first lead himself. - Frasier Crane

"A leader must first lead himself."

Frasier Crane Leadership

"I'm listening."

"Tossed salad and scrambled eggs."

"It's a Frasier kind of day."

"Excelsior!"

"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"