"We had a very quiet birthday tea, just us and old Bathilda, who has always been sweet to us, and who dotes on Harry... Bathilda drops in most days, she's a fascinating old thing with the most amazing stories about Dumbledore, I'm not sure he'd be pleased if he knew! I don't know how much to believe, actually, because it seems incredible that Dumbledore could ever have been friends with Gellert Grindelwald. I think her mind's going, personally!"
— Excerpt from Lily Potter's letter