Who said "A leader must be willing to stand alone."?

This quote is attributed to Jango Fett.

A leader must be willing to stand alone. - Jango Fett

"A leader must be willing to stand alone."

Jango Fett Leadership

"I'm just a simple man trying to make my way in the universe."

"A man's worth is measured by his ability to adapt."

"Credits are the only language some beings understand."

"Never show weakness to those who seek to exploit you."

"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"