Hopefully the future of Christmas is not Life Day, Chiron Beta Prime, or for that matter Winterfair. But if I were the Ghost of Christmas Yet To Come, what would I have to offer you? We are all mortal men doomed to die. What will people say about us when we have no more to say? Scrooge doesn't have the courage of his convictions and wants others to speak well of him. Which begs the question of why he wasted so many years chasing money when he wants to be popular.
So if I were the Ghost of Christmas Yet To Come I'd say "Guard your honour. Let your reputation fall where it will."
On the other hand that quotation may not be as apt as I remembered because in full it goes:
"Guard your honour. Let your reputation fall where it will. And outlive the bastards."
Lois Mcmaster Bujold. A Civil Campaign, 1999.
 Or not. Because it's the money he made as a miser that allows him to be generous as a do-gooder.
 Or not.
 Also Bujold, being an American, uses the wacky colonial spelling of "Honor".