Courtesy dictates that we offer fellow wizards the opportunity of denying us entry.

You've got to appreciate what the worst is. You don't want to find yourself in a situation where you're facing it.

The idea of Dumbledore's corpse frightened Harry much less than the possibility that he might have misunderstood the living Dumbledore's intentions.

There's a time and a place for getting a smart mouth.

You will also find that help will always be given at Hogwarts to those who ask for it.

Well, hello, Peter,” said Lupin pleasantly, as though rats frequently erupted into old school friends around him. “Long time, no see.

Worst that can happen is Hagrid’ll have to get rid of the skrewts. Sorry ... did I say worst? I meant best.