"Sir," said Hermione. "I don’t know how to make you believe me. One thing I do know is that we’re family, and I’ve already changed things. Great Aunt Ariana was supposed to be attacked today. You’re supposed to be spending today avenging her and getting yourself thrown in Azkaban. Grandpa Abe said so. If changing the future is what’s worrying you, it’s too late for that."