Lilly

“I'm going to keep going until I succeed — or die. Don't think I don't know how this might end. I've known it for years.”
― J.K. Rowling, Harry Potter and the Deathly Hallows

“An Unbreakable Vow?" said Ron, looking stunned. "Nah, he can’t have.... Are you sure?"
"Yes I’m sure," said Harry. "Why, what does it mean?"
"Well, you can’t break an Unbreakable Vow..."
"I’d worked that much out for myself, funnily enough.”
― J.K. Rowling, Harry Potter and the Half-Blood Prince

“There are some things you can't share without ending up liking each other, and knocking out a twelve-foot mountain troll is one of them.”
― J. K. Rowling, Harry Potter and the Sorcerer's Stone

“So top grade's O for 'Outstanding,'" Hermione was saying, "and then there's A-"
"No, E," George corrected her, "E for 'Exceeds Expectations.' And I've always thought Fred and I should've got E in everything, because we exceeded expectations just by turning up for the exams.”
― J.K. Rowling