Yes, Harry, blessed as I am with extraordinary brainpower, I understood everything you told me. I think you might even consider the possibility that I understood more than you did.

He's a werewolf! That's why he's been missing classes!

Children's books aren't textbooks. Their primary purpose isn't supposed to be "Pick this up and it will teach you this." It's not how literature should be. You probably do learn something from every book you pick up, but it might be simply how to laugh.

Because - oh shut up laughing, you two - because they've just been turned down by girls they asked to the ball!

That wand’s more trouble than it’s worth,” said Harry. “And quite honestly,” he turned away from the painted portraits, thinking now only of the four-poster bed lying waiting for him in Gryffindor Tower, and wondering whether Kreacher might bring him a sandwich there, “I’ve had enough trouble for a lifetime.

The moment you are old enough to take the wheel, responsibility lies with you.

Don't call me Nymphadora, Remus.