"What evidence would you have of my reality--" the Ghost begins, and then stops abruptly.

"You know, the Victorian language is really not working for me. Let's just get to the point. Whether I make a lousy Marley or not, Logan, I'm the only one you've got."

Logan can substitute "father" for "Marley" in that last sentence, too. It'll be just as true, if not truer.

"And I'm here to warn you."