Was it love when somebody filled a space in your life that yawned inside you, once they had gone?

Rack your brains, that should only take a couple of seconds.

Why can’t I drink the potion instead?” asked Harry desperately. “Because I am much older, much cleverer, and much less valuable,” said Dumbledore.

Knocking the shrieking goblins aside like skittles

I say there are spots that don't come off.... Spots that never come off, d'you know what I mean?

When Filch wasn't guarding the scene of the crime, he was skulking red-eyed through the corridors, lunging out at unsuspecting students and trying to put them in detention for things like "breathing loudly" and "looking happy.

Just — just to be clear,” he said. “You want to leave Tonks at her parents’ house and come away with us?” “She’ll be perfectly safe there, they’ll look after her,” said Lupin. He spoke with a finality bordering on indifference. “Harry, I’m sure James would have wanted me to stick with you.” “Well,” said Harry slowly, “I’m not. I’m pretty sure my father would have wanted to know why you aren’t sticking with your own kid, actually.