Who said "A leader must be willing to walk a solitary path."?

This quote is attributed to Mr. Freeze.

A leader must be willing to walk a solitary path. - Mr. Freeze

"A leader must be willing to walk a solitary path."

Mr. Freeze Leadership

"I'm not a human anymore. I'm something... colder."

"My wife, Nora... she's all that matters to me."

"Vengeance is a cold dish best served frozen."

"The cold never bothered me anyway."

"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"