[about Hogwarts]
Sirius Black: It's beautiful, isn't it? I'll never forget the first time I walked through those doors. It'll be nice to do it again as a free man.
[about Pettigrew]
Sirius Black: That was a noble thing you did back there. He doesn't deserve it.
Harry: Well, I just didn't think my dad would've wanted his two best friends to become killers. Besides, dead the truth dies with him. Alive, you're free.